<?xml version="1.0" encoding="UTF-8"?><rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom" version="2.0" xmlns:itunes="http://www.itunes.com/dtds/podcast-1.0.dtd" xmlns:googleplay="http://www.google.com/schemas/play-podcasts/1.0"><channel><title><![CDATA[Brain Health, Decoded]]></title><description><![CDATA[A doctor and neuroscientist turning brain research into practical tools for focus, clarity, and mental wellbeing.]]></description><link>https://www.brainhealthdecoded.com</link><image><url>https://substackcdn.com/image/fetch/$s_!j5Ih!,w_256,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F299d2eec-0d03-4bf0-b8bd-ad29700ea60d_1024x1024.png</url><title>Brain Health, Decoded</title><link>https://www.brainhealthdecoded.com</link></image><generator>Substack</generator><lastBuildDate>Sun, 05 Jul 2026 17:02:38 GMT</lastBuildDate><atom:link href="https://www.brainhealthdecoded.com/feed" rel="self" type="application/rss+xml"/><copyright><![CDATA[Dr. Dominic Ng]]></copyright><language><![CDATA[en]]></language><webMaster><![CDATA[brainhealthdecoded@substack.com]]></webMaster><itunes:owner><itunes:email><![CDATA[brainhealthdecoded@substack.com]]></itunes:email><itunes:name><![CDATA[Dr. Dominic Ng]]></itunes:name></itunes:owner><itunes:author><![CDATA[Dr. Dominic Ng]]></itunes:author><googleplay:owner><![CDATA[brainhealthdecoded@substack.com]]></googleplay:owner><googleplay:email><![CDATA[brainhealthdecoded@substack.com]]></googleplay:email><googleplay:author><![CDATA[Dr. Dominic Ng]]></googleplay:author><itunes:block><![CDATA[Yes]]></itunes:block><item><title><![CDATA[How to Rewire Your Anxious Brain]]></title><description><![CDATA[Why Most Anxiety Advice Fails - and What Actually Works]]></description><link>https://www.brainhealthdecoded.com/p/how-to-rewire-your-anxious-brain-fbf</link><guid isPermaLink="false">https://www.brainhealthdecoded.com/p/how-to-rewire-your-anxious-brain-fbf</guid><dc:creator><![CDATA[Dr. Dominic Ng]]></dc:creator><pubDate>Wed, 01 Jul 2026 22:03:53 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!Y2lL!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9a41d399-1ea9-4164-beff-1ef97048dd04_2816x1536.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="https://substackcdn.com/image/fetch/$s_!Y2lL!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9a41d399-1ea9-4164-beff-1ef97048dd04_2816x1536.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="https://substackcdn.com/image/fetch/$s_!Y2lL!,w_424,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9a41d399-1ea9-4164-beff-1ef97048dd04_2816x1536.png 424w, https://substackcdn.com/image/fetch/$s_!Y2lL!,w_848,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9a41d399-1ea9-4164-beff-1ef97048dd04_2816x1536.png 848w, https://substackcdn.com/image/fetch/$s_!Y2lL!,w_1272,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9a41d399-1ea9-4164-beff-1ef97048dd04_2816x1536.png 1272w, https://substackcdn.com/image/fetch/$s_!Y2lL!,w_1456,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9a41d399-1ea9-4164-beff-1ef97048dd04_2816x1536.png 1456w" sizes="100vw"><img src="https://substackcdn.com/image/fetch/$s_!Y2lL!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9a41d399-1ea9-4164-beff-1ef97048dd04_2816x1536.png" width="601" height="327.74313186813185" 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srcset="https://substackcdn.com/image/fetch/$s_!Y2lL!,w_424,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9a41d399-1ea9-4164-beff-1ef97048dd04_2816x1536.png 424w, https://substackcdn.com/image/fetch/$s_!Y2lL!,w_848,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9a41d399-1ea9-4164-beff-1ef97048dd04_2816x1536.png 848w, https://substackcdn.com/image/fetch/$s_!Y2lL!,w_1272,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9a41d399-1ea9-4164-beff-1ef97048dd04_2816x1536.png 1272w, https://substackcdn.com/image/fetch/$s_!Y2lL!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9a41d399-1ea9-4164-beff-1ef97048dd04_2816x1536.png 1456w" sizes="100vw" fetchpriority="high"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg role="img" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><title></title><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Most people want one thing from anxiety advice: to make the feeling stop. That's the first problem. Anxiety is a normal signal, sometimes a useful one - the aim isn't to get rid of it, but to stop it from dictating your choices.</p><p>The second problem is treating it as a single condition. It's actually two, one physical and one mental, and each needs its own approach. Get the goal right and the method right, and anxiety becomes something you manage instead of something that manages you.</p><h2>Why &#8220;Just Calm Down&#8221; Never Works</h2><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="https://substackcdn.com/image/fetch/$s_!7-wE!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F46ea83dd-ac46-4c13-a92c-e8507f38f16b_2816x1536.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="https://substackcdn.com/image/fetch/$s_!7-wE!,w_424,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F46ea83dd-ac46-4c13-a92c-e8507f38f16b_2816x1536.png 424w, https://substackcdn.com/image/fetch/$s_!7-wE!,w_848,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F46ea83dd-ac46-4c13-a92c-e8507f38f16b_2816x1536.png 848w, https://substackcdn.com/image/fetch/$s_!7-wE!,w_1272,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F46ea83dd-ac46-4c13-a92c-e8507f38f16b_2816x1536.png 1272w, https://substackcdn.com/image/fetch/$s_!7-wE!,w_1456,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F46ea83dd-ac46-4c13-a92c-e8507f38f16b_2816x1536.png 1456w" sizes="100vw"><img src="https://substackcdn.com/image/fetch/$s_!7-wE!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F46ea83dd-ac46-4c13-a92c-e8507f38f16b_2816x1536.png" width="599" height="326.6524725274725" 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srcset="https://substackcdn.com/image/fetch/$s_!7-wE!,w_424,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F46ea83dd-ac46-4c13-a92c-e8507f38f16b_2816x1536.png 424w, https://substackcdn.com/image/fetch/$s_!7-wE!,w_848,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F46ea83dd-ac46-4c13-a92c-e8507f38f16b_2816x1536.png 848w, https://substackcdn.com/image/fetch/$s_!7-wE!,w_1272,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F46ea83dd-ac46-4c13-a92c-e8507f38f16b_2816x1536.png 1272w, https://substackcdn.com/image/fetch/$s_!7-wE!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F46ea83dd-ac46-4c13-a92c-e8507f38f16b_2816x1536.png 1456w" sizes="100vw"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg role="img" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><title></title><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><h4><strong>The Amygdala: Your Alarm System</strong></h4><p>The amygdala is a small region in your brain that scans for danger. Its job is simple: scan for threats and react fast.</p><p>When the amygdala detects danger, it triggers a chain reaction:</p><ul><li><p>The hypothalamus releases cortisol and adrenaline</p></li><li><p>The sympathetic nervous system kicks in</p></li><li><p>Your heart races, breathing speeds up, pupils dilate, palms sweat</p></li></ul><p>This all happens before you can think. The amygdala can override your thinking brain.</p><p><strong>This is why &#8220;calm down&#8221; fails. </strong>When anxiety starts in the amygdala, talking yourself out of it doesn&#8217;t work. You&#8217;re using logic. The amygdala doesn&#8217;t understand logic.</p><p>To rewire this kind of anxiety, you have to speak in its language: direct emotional experience.</p><h4><strong>The Cortex: Your Thinking Brain</strong></h4><p>The cortex is the outer layer of your brain. It is responsible for thoughts, images, and planning. It doesn&#8217;t produce the physical symptoms directly. Instead, it triggers the amygdala through frightening thoughts.</p><p><strong>How It Works</strong> Your brain tries to predict the future to prepare for problems. If you imagine a disaster, your body reacts as if it is happening now. The more you focus on these thoughts, the stronger the brain pathways become.</p><p><strong>Common Thinking Patterns</strong></p><ul><li><p><strong>Catastrophising:</strong> Imagining the worst possible outcome.</p></li><li><p><strong>Rumination:</strong> Replaying old conversations or mistakes.</p></li><li><p><strong>Perfectionism:</strong> Obsessing over flaws and errors.</p></li><li><p><strong>Prediction:</strong> Worrying about a future that has not happened yet.</p></li></ul><h4><strong>How to Tell Them Apart</strong></h4><p>Here&#8217;s the simplest way to tell them apart:</p><ul><li><p><strong>Amygdala anxiety</strong> is something you <em>feel</em> in your body. It happens to you. You notice the racing heart, the shallow breath, the shaking hands - often before you even know why.</p></li><li><p><strong>Cortex anxiety</strong> is something you <em>think</em>. It&#8217;s mental. You notice the thoughts first - the worries, the replays, the predictions - and your body may or may not follow.</p></li></ul><p>In practice, they often feed each other. But noticing which one starts the cycle helps you choose the right tool.</p><h2>How to Rewire Your Anxious Brain</h2><p>Here&#8217;s the most important thing neuroscience has taught us in the last thirty years: the brain can change.</p><p>It&#8217;s called neuroplasticity. The neural pathways that drive your anxiety - the ones that make your heart race backstage or keep you awake at 2 AM - aren&#8217;t permanent. They were built through repeated experience. And they can be rebuilt the same way.</p><p>But you need different strategies for each system. Below, I&#8217;ll walk you through exactly how to rewire both.</p>
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   ]]></content:encoded></item><item><title><![CDATA[How Your Gut Shapes Your Mood - and How to Choose a Probiotic That Helps]]></title><description><![CDATA[The science behind the gut&#8211;brain link]]></description><link>https://www.brainhealthdecoded.com/p/how-your-gut-shapes-your-mood-and</link><guid isPermaLink="false">https://www.brainhealthdecoded.com/p/how-your-gut-shapes-your-mood-and</guid><dc:creator><![CDATA[Dr. Dominic Ng]]></dc:creator><pubDate>Wed, 24 Jun 2026 14:36:02 GMT</pubDate><enclosure url="https://images.unsplash.com/photo-1706203678409-ef1526a0078a?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHw1M3x8YmFjdGVyaWF8ZW58MHx8fHwxNzgyMzAwNjI3fDA&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" 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srcset="https://images.unsplash.com/photo-1706203678409-ef1526a0078a?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHw1M3x8YmFjdGVyaWF8ZW58MHx8fHwxNzgyMzAwNjI3fDA&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080 424w, https://images.unsplash.com/photo-1706203678409-ef1526a0078a?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHw1M3x8YmFjdGVyaWF8ZW58MHx8fHwxNzgyMzAwNjI3fDA&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080 848w, https://images.unsplash.com/photo-1706203678409-ef1526a0078a?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHw1M3x8YmFjdGVyaWF8ZW58MHx8fHwxNzgyMzAwNjI3fDA&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080 1272w, https://images.unsplash.com/photo-1706203678409-ef1526a0078a?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHw1M3x8YmFjdGVyaWF8ZW58MHx8fHwxNzgyMzAwNjI3fDA&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080 1456w" sizes="100vw" fetchpriority="high"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg role="img" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><title></title><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a><figcaption class="image-caption">Photo by <a href="https://unsplash.com/@niaid">National Institute of Allergy and Infectious Diseases</a> on <a href="https://unsplash.com">Unsplash</a></figcaption></figure></div><p>The idea that your gut affects your mood has moved from fringe to mainstream. Probiotic supplements are now a multibillion-dollar market, much of it aimed at stress and low mood.</p><p>The connection is real, and researchers have mapped much of how it works. Those details also explain why the specific product matters so much - and how to find one worth trying.</p><h3>Depression often comes with an inflamed brain</h3><p>In many people, depression involves inflammation in the body and the brain.</p><ul><li><p><a href="https://doi.org/10.1016/j.bbi.2020.02.010">People with depression are measurably more inflamed</a>. A pooling of 107 studies and more than 10,000 people found higher levels of inflammatory proteins such as C-reactive protein and interleukin-6 - the same markers that rise during an infection.</p></li><li><p><a href="https://doi.org/10.1001/jamapsychiatry.2014.2427">That inflammation reaches the brain itself</a>. Brain scans showed the brain&#8217;s immune cells were more active during a depressive episode, and the most active brains belonged to the most severely depressed patients.</p></li><li><p><a href="https://pubmed.ncbi.nlm.nih.gov/22967776/">Inflammation can come first, and depression follows</a>. A hepatitis C drug that triggers a strong immune response caused clinical depression in about one in four patients, usually within the first weeks.</p></li></ul><p>Inflammation doesn't explain every case. But it shows up often enough that researchers treat it as a real part of the illness.</p><h3>Your gut helps set how inflamed your brain is</h3><p>Your gut bacteria send a constant stream of signals toward the brain, and many of them turn its inflammation up or down.</p><p>The clearest of these is <strong>butyrate</strong>, a molecule certain gut bacteria make when they digest fiber. <a href="https://doi.org/10.1038/nn.4030">Butyrate keeps the brain&#8217;s resident immune cells healthy and properly regulated</a>, and <a href="https://doi.org/10.1126/scitranslmed.3009759">helps seal the barrier that protects the brain from the bloodstream</a>. Furthermore, people with depression tend to have <a href="https://doi.org/10.1016/j.bbih.2025.101070">less butyrate in their blood</a>, and those who start with more are likelier to recover.</p><p>But butyrate is only one messenger. </p><p><a href="https://doi.org/10.1016/j.isci.2024.111699">Gut bacteria also fire the vagus nerve - the direct wire running from gut to brain</a> - using a mix of compounds including short-chain fatty acids, bile acids, and others. And <a href="https://doi.org/10.1016/j.chom.2023.12.009">a 2024 study traced depression in mice to a single gut bacterium and the specific molecules it produces</a>, which tip the balance of inflammation-related signals reaching the brain.</p><p>The common thread is simple: what your gut bacteria make ends up shaping how inflamed your brain is. Which means changing those bacteria - with probiotics, or with what you feed them - is a way to alter that inflammation.</p><h3>The trials say they help - but the picture is messy</h3><p>Probiotics reduce depression on average - and the reason results vary so much is that no two trials used the same bacteria.</p><p>Each trial below tested a different strain, at a different dose, for a different length of time.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="https://substackcdn.com/image/fetch/$s_!XBEd!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F7d13359c-4903-4b8c-863e-9bbcc0b6c356_2394x1824.heic" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="https://substackcdn.com/image/fetch/$s_!XBEd!,w_424,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F7d13359c-4903-4b8c-863e-9bbcc0b6c356_2394x1824.heic 424w, https://substackcdn.com/image/fetch/$s_!XBEd!,w_848,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F7d13359c-4903-4b8c-863e-9bbcc0b6c356_2394x1824.heic 848w, https://substackcdn.com/image/fetch/$s_!XBEd!,w_1272,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F7d13359c-4903-4b8c-863e-9bbcc0b6c356_2394x1824.heic 1272w, https://substackcdn.com/image/fetch/$s_!XBEd!,w_1456,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F7d13359c-4903-4b8c-863e-9bbcc0b6c356_2394x1824.heic 1456w" sizes="100vw"><img src="https://substackcdn.com/image/fetch/$s_!XBEd!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F7d13359c-4903-4b8c-863e-9bbcc0b6c356_2394x1824.heic" width="1456" height="1109" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/7d13359c-4903-4b8c-863e-9bbcc0b6c356_2394x1824.heic&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:1109,&quot;width&quot;:1456,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:167691,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/heic&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://www.brainhealthdecoded.com/i/203368345?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F7d13359c-4903-4b8c-863e-9bbcc0b6c356_2394x1824.heic&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="https://substackcdn.com/image/fetch/$s_!XBEd!,w_424,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F7d13359c-4903-4b8c-863e-9bbcc0b6c356_2394x1824.heic 424w, https://substackcdn.com/image/fetch/$s_!XBEd!,w_848,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F7d13359c-4903-4b8c-863e-9bbcc0b6c356_2394x1824.heic 848w, https://substackcdn.com/image/fetch/$s_!XBEd!,w_1272,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F7d13359c-4903-4b8c-863e-9bbcc0b6c356_2394x1824.heic 1272w, https://substackcdn.com/image/fetch/$s_!XBEd!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F7d13359c-4903-4b8c-863e-9bbcc0b6c356_2394x1824.heic 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg role="img" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><title></title><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>The trials that worked best used specific, well-studied strains at real doses. The ones that fell flat often used different bacteria, or too little, or ran only a week or two.</p><p>So probiotics can clearly help - but the benefit often depends on what&#8217;s actually in the bottle.</p><h3>Two bottles labeled &#8220;probiotic&#8221; can do completely different things</h3><p>A probiotic&#8217;s effect depends on the exact strain, and different products contain entirely different ones.</p><p>Each strain does a different job - one calms inflammation, another produces butyrate, another barely interacts with you at all. A benefit proven for one strain doesn&#8217;t transfer to a bottle of different bacteria.</p><p>That&#8217;s why the label matters more than the word &#8220;probiotic.&#8221; Everything you need to tell a promising product from a pointless one is printed right on it.</p><p>Below, how to read the label - and the six things worth checking before you buy.</p>
      <p>
          <a href="https://www.brainhealthdecoded.com/p/how-your-gut-shapes-your-mood-and">
              Read more
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   ]]></content:encoded></item><item><title><![CDATA[How to Rewire the Way you Talk to Yourself]]></title><description><![CDATA[There's almost no one whom we treat as badly as ourselves.]]></description><link>https://www.brainhealthdecoded.com/p/how-to-rewire-the-way-you-talk-to</link><guid isPermaLink="false">https://www.brainhealthdecoded.com/p/how-to-rewire-the-way-you-talk-to</guid><dc:creator><![CDATA[Dr. Dominic Ng]]></dc:creator><pubDate>Wed, 17 Jun 2026 19:34:25 GMT</pubDate><enclosure url="https://images.unsplash.com/photo-1591078357185-baad397d3127?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHwxfHxldmVyeXRoaW5nJTIwd2lsbCUyMGJlJTIwb2theXxlbnwwfHx8fDE3ODE3MjQwODR8MA&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" 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https://images.unsplash.com/photo-1591078357185-baad397d3127?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHwxfHxldmVyeXRoaW5nJTIwd2lsbCUyMGJlJTIwb2theXxlbnwwfHx8fDE3ODE3MjQwODR8MA&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080 1272w, https://images.unsplash.com/photo-1591078357185-baad397d3127?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHwxfHxldmVyeXRoaW5nJTIwd2lsbCUyMGJlJTIwb2theXxlbnwwfHx8fDE3ODE3MjQwODR8MA&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080 1456w" sizes="100vw"><img src="https://images.unsplash.com/photo-1591078357185-baad397d3127?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHwxfHxldmVyeXRoaW5nJTIwd2lsbCUyMGJlJTIwb2theXxlbnwwfHx8fDE3ODE3MjQwODR8MA&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080" width="561" height="374" 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srcset="https://images.unsplash.com/photo-1591078357185-baad397d3127?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHwxfHxldmVyeXRoaW5nJTIwd2lsbCUyMGJlJTIwb2theXxlbnwwfHx8fDE3ODE3MjQwODR8MA&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080 424w, https://images.unsplash.com/photo-1591078357185-baad397d3127?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHwxfHxldmVyeXRoaW5nJTIwd2lsbCUyMGJlJTIwb2theXxlbnwwfHx8fDE3ODE3MjQwODR8MA&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080 848w, https://images.unsplash.com/photo-1591078357185-baad397d3127?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHwxfHxldmVyeXRoaW5nJTIwd2lsbCUyMGJlJTIwb2theXxlbnwwfHx8fDE3ODE3MjQwODR8MA&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080 1272w, https://images.unsplash.com/photo-1591078357185-baad397d3127?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHwxfHxldmVyeXRoaW5nJTIwd2lsbCUyMGJlJTIwb2theXxlbnwwfHx8fDE3ODE3MjQwODR8MA&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080 1456w" sizes="100vw" fetchpriority="high"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg role="img" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><title></title><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a><figcaption class="image-caption">Photo by <a href="https://unsplash.com/@josephjtwo">Joseph Two</a> on <a href="https://unsplash.com">Unsplash</a></figcaption></figure></div><p>Self-compassion has an image problem. It sounds soft, vague, faintly embarrassing - the language of scented candles and inspirational posters.</p><p>So when the voice in your head says &#8220;that was pathetic, everyone saw it, you&#8217;ll blow the next one too,&#8221; you don&#8217;t try to be kind to yourself. You try to argue with it. You tell yourself it wasn&#8217;t that bad. You point out, correctly, that nobody else even noticed. </p><p>For a few minutes it helps. Then it returns, unchanged. So if the facts don't change anything, what is it actually about?</p><h3>Self-criticism runs on the feelings of being judged by someone else</h3><p>You can tell what self-criticism is from the feelings it uses. It runs on contempt, disappointment, and anger - the feelings of someone higher up looking down on you. Those are social feelings, the kind that pass between two people, and that is the clue: self-criticism is the mind's equipment for handling other people, <a href="https://doi.org/10.1016/j.neuroimage.2009.09.019">turned on yourself</a>.</p><p>This is in part because we never evolved a separate system for handling ourselves. We evolved continually piling on new abilities on top of old ones and one of the newest is an awareness of yourself: the ability to stand outside yourself and judge what you see.</p><p>But we have no dedicated system for managing that self, so the mind runs its inner life on the equipment built for dealing with other people such as:</p><ul><li><p><strong>Ranking yourself against others</strong>: measuring up as higher or lower, stronger or weaker.</p></li><li><p><strong>Belonging to the group</strong>: being a valued member who contributes, shares, and pulls their weight.</p></li><li><p><strong>Caring for someone</strong>: protecting, soothing, and helping a person in distress.</p></li><li><p><strong>Being cared for</strong>: turning to someone for comfort, protection, and reassurance.</p></li></ul><p>Self-criticism is the first of these, turned inward. A part of you takes the high position and ranks the rest of you as inferior - not measuring up and, in the old logic of the group, someone to be pushed out. </p><h3><strong>Your internal critic is usually a particular person you took in</strong></h3><p>You are made partly of the people who raised you. You took in their voices and a sense of yourself you never chose. For example, had you been taken as a baby into a violent gang and raised there, a different person would exist in his place. </p><p>So the critic usually sounds like someone - a parent, a teacher, an old boss. If the person you took in was contemptuous, that is the voice you now turn on yourself.</p><h3><strong>The fix is to switch which relationship you run</strong></h3><p>One of the borrowed systems we use to relate to other people is caring for someone in distress and the trick is you can turn that one inward too.  And it runs on different machinery - the parasympathetic nervous system, oxytocin, the body's calming response.</p><p>That machinery <a href="https://doi.org/10.1111/bjc.12043">evolved to calm the threat system</a>: a parent settling a frightened child is one system switching another off. </p><h2>How to <strong>run the caring system on yourself</strong></h2>
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   ]]></content:encoded></item><item><title><![CDATA[How to Get Stuff Done (The Neuroscience of Task Initiation)]]></title><description><![CDATA[What's going on in your brain when you can't start, and how to work around it.]]></description><link>https://www.brainhealthdecoded.com/p/how-to-get-stuff-done-the-neuroscience</link><guid isPermaLink="false">https://www.brainhealthdecoded.com/p/how-to-get-stuff-done-the-neuroscience</guid><dc:creator><![CDATA[Dr. Dominic Ng]]></dc:creator><pubDate>Tue, 09 Jun 2026 19:59:33 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!KnIP!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9b210500-87da-46a6-8cad-b6fb3b7e4529_2816x1536.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="https://substackcdn.com/image/fetch/$s_!KnIP!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9b210500-87da-46a6-8cad-b6fb3b7e4529_2816x1536.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="https://substackcdn.com/image/fetch/$s_!KnIP!,w_424,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9b210500-87da-46a6-8cad-b6fb3b7e4529_2816x1536.png 424w, https://substackcdn.com/image/fetch/$s_!KnIP!,w_848,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9b210500-87da-46a6-8cad-b6fb3b7e4529_2816x1536.png 848w, https://substackcdn.com/image/fetch/$s_!KnIP!,w_1272,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9b210500-87da-46a6-8cad-b6fb3b7e4529_2816x1536.png 1272w, https://substackcdn.com/image/fetch/$s_!KnIP!,w_1456,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9b210500-87da-46a6-8cad-b6fb3b7e4529_2816x1536.png 1456w" sizes="100vw"><img src="https://substackcdn.com/image/fetch/$s_!KnIP!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9b210500-87da-46a6-8cad-b6fb3b7e4529_2816x1536.png" width="589" height="321.1991758241758" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/9b210500-87da-46a6-8cad-b6fb3b7e4529_2816x1536.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:794,&quot;width&quot;:1456,&quot;resizeWidth&quot;:589,&quot;bytes&quot;:7571143,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:true,&quot;internalRedirect&quot;:&quot;https://www.brainhealthdecoded.com/i/201285020?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9b210500-87da-46a6-8cad-b6fb3b7e4529_2816x1536.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="https://substackcdn.com/image/fetch/$s_!KnIP!,w_424,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9b210500-87da-46a6-8cad-b6fb3b7e4529_2816x1536.png 424w, https://substackcdn.com/image/fetch/$s_!KnIP!,w_848,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9b210500-87da-46a6-8cad-b6fb3b7e4529_2816x1536.png 848w, https://substackcdn.com/image/fetch/$s_!KnIP!,w_1272,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9b210500-87da-46a6-8cad-b6fb3b7e4529_2816x1536.png 1272w, https://substackcdn.com/image/fetch/$s_!KnIP!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9b210500-87da-46a6-8cad-b6fb3b7e4529_2816x1536.png 1456w" sizes="100vw" fetchpriority="high"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg role="img" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><title></title><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Sometimes you want to do a task, you know how to do it, and you still don&#8217;t start doing it. This is more common than it sounds, and it&#8217;s usually not a motivation problem or a question of knowing what to do.</p><p>The reason is that wanting, knowing how, and starting are three separate things, handled by different parts of the brain. You can have the first two fully in place and still be stuck on the third - the actual switch from not doing the task to doing it.</p><p>So how does that work?</p><h2>By default, your brain keeps every action held back.</h2><p>Deep in the brain sits a group of structures called the <em>basal ganglia</em>. One of their main jobs is to keep possible actions switched off. At rest, they suppress almost everything you could be doing, and the state they enforce is to stay put.</p><p>In mechanical terms, what this means is that<strong> starting a task is the removal of suppression</strong>. The action is already prepared; beginning it just means the cells holding it back stop firing. The switch that "starts" something is really a switch that stops blocking it.</p><p>If that's right, the suppression should switch off at the moment a movement begins - which is what a <a href="https://pmc.ncbi.nlm.nih.gov/articles/PMC12367548/">2025 Nature paper</a> found. Researchers watched a mouse reach for a piece of food while recording its brain, so they could line up these cells' activity with the moment it moved. They found that:</p><ul><li><p><strong>The cells go quiet exactly when the mouse moves.</strong> They fire nonstop, then switch off the moment it reaches for the food, and start back up once the reach is done.</p></li><li><p><strong>But if you force the cells to stay active, the mouse moves much slower.</strong> While these cells are active, the mouse waits - that's what their firing does, it keeps the movement from happening. Keep them active and the wait just keeps going: the longer they're on, the later the mouse moves.</p></li></ul><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="https://substackcdn.com/image/fetch/$s_!6IpO!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd1c87af7-6aa7-4053-8fba-f36bc4b48ecd_601x365.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="https://substackcdn.com/image/fetch/$s_!6IpO!,w_424,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd1c87af7-6aa7-4053-8fba-f36bc4b48ecd_601x365.png 424w, https://substackcdn.com/image/fetch/$s_!6IpO!,w_848,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd1c87af7-6aa7-4053-8fba-f36bc4b48ecd_601x365.png 848w, https://substackcdn.com/image/fetch/$s_!6IpO!,w_1272,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd1c87af7-6aa7-4053-8fba-f36bc4b48ecd_601x365.png 1272w, https://substackcdn.com/image/fetch/$s_!6IpO!,w_1456,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd1c87af7-6aa7-4053-8fba-f36bc4b48ecd_601x365.png 1456w" sizes="100vw"><img src="https://substackcdn.com/image/fetch/$s_!6IpO!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd1c87af7-6aa7-4053-8fba-f36bc4b48ecd_601x365.png" width="601" height="365" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/d1c87af7-6aa7-4053-8fba-f36bc4b48ecd_601x365.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:365,&quot;width&quot;:601,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:49516,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://www.brainhealthdecoded.com/i/201285020?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd1c87af7-6aa7-4053-8fba-f36bc4b48ecd_601x365.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="https://substackcdn.com/image/fetch/$s_!6IpO!,w_424,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd1c87af7-6aa7-4053-8fba-f36bc4b48ecd_601x365.png 424w, https://substackcdn.com/image/fetch/$s_!6IpO!,w_848,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd1c87af7-6aa7-4053-8fba-f36bc4b48ecd_601x365.png 848w, https://substackcdn.com/image/fetch/$s_!6IpO!,w_1272,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd1c87af7-6aa7-4053-8fba-f36bc4b48ecd_601x365.png 1272w, https://substackcdn.com/image/fetch/$s_!6IpO!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd1c87af7-6aa7-4053-8fba-f36bc4b48ecd_601x365.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg role="img" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><title></title><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a><figcaption class="image-caption">One basal ganglia cell in a mouse. Its firing drops at the exact moment the mouse reaches for food (time 0) - the suppression switching off.</figcaption></figure></div><p>That's in mice, though. </p><p>The natural question is whether this region matters the same way for starting in people. You can't answer this by running an experiment - ethics boards take a dim view of switching off someone's ability to stand up and timing the result. </p><p>But it turns out you don't need to. Some people already live with damage to this part of the brain, usually after a stroke or a loss of oxygen.</p><h3>Humans with brain damage in this region struggle to initiate tasks</h3><p>Two French neurologists, <a href="https://pubmed.ncbi.nlm.nih.gov/11746609/">Dominique Laplane and Bruno Dubois</a>, studied patients like this and described the condition in 2001. Left to themselves, these patients did almost nothing - one could sit in a chair for hours without starting anything.</p><p>The striking part was that their ability stayed intact. As soon as someone prompted them, they acted without any trouble. The problem was solely with their ability to initiate tasks. What this tells us is that the ability to start runs on different brain machinery than doing it, because damage to one region can take out the starting while leaving everything else working.</p><p>Now procrastinating on an email isn't the same as the condition these patients had - one's severe brain damage, the other's a Tuesday. But the thing that got these patients moving is worth stealing anyway: a prompt from outside. And if an external nudge is enough to start someone whose brain is actually damaged, it's probably more than enough for you and me. </p><h2>How to Actually Start Doing Things:</h2><p>The difficulty is always in the same place: the switch from not working to working. </p><p>Deciding to begin is slow and easy to stall on, so the tactics below skip it. Each one either gets you started using an outside cue, or makes the first step small enough that beginning barely counts as a decision.</p>
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      </p>
   ]]></content:encoded></item><item><title><![CDATA[Ultra-Processed Food: How Worried Should You Actually Be?]]></title><description><![CDATA[It's about 60% of what we eat - but not all of it is worth worrying about.]]></description><link>https://www.brainhealthdecoded.com/p/ultra-processed-food-how-worried</link><guid isPermaLink="false">https://www.brainhealthdecoded.com/p/ultra-processed-food-how-worried</guid><dc:creator><![CDATA[Dr. Dominic Ng]]></dc:creator><pubDate>Tue, 02 Jun 2026 17:51:24 GMT</pubDate><enclosure url="https://images.unsplash.com/photo-1513104890138-7c749659a591?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHwxfHxwaXp6YXxlbnwwfHx8fDE3ODAzNDIxMDZ8MA&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="https://images.unsplash.com/photo-1513104890138-7c749659a591?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHwxfHxwaXp6YXxlbnwwfHx8fDE3ODAzNDIxMDZ8MA&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="https://images.unsplash.com/photo-1513104890138-7c749659a591?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHwxfHxwaXp6YXxlbnwwfHx8fDE3ODAzNDIxMDZ8MA&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080 424w, https://images.unsplash.com/photo-1513104890138-7c749659a591?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHwxfHxwaXp6YXxlbnwwfHx8fDE3ODAzNDIxMDZ8MA&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080 848w, https://images.unsplash.com/photo-1513104890138-7c749659a591?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHwxfHxwaXp6YXxlbnwwfHx8fDE3ODAzNDIxMDZ8MA&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080 1272w, https://images.unsplash.com/photo-1513104890138-7c749659a591?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHwxfHxwaXp6YXxlbnwwfHx8fDE3ODAzNDIxMDZ8MA&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080 1456w" sizes="100vw"><img src="https://images.unsplash.com/photo-1513104890138-7c749659a591?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHwxfHxwaXp6YXxlbnwwfHx8fDE3ODAzNDIxMDZ8MA&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080" width="553" height="368.6666666666667" data-attrs="{&quot;src&quot;:&quot;https://images.unsplash.com/photo-1513104890138-7c749659a591?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHwxfHxwaXp6YXxlbnwwfHx8fDE3ODAzNDIxMDZ8MA&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:3456,&quot;width&quot;:5184,&quot;resizeWidth&quot;:553,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;pizza with berries&quot;,&quot;title&quot;:null,&quot;type&quot;:&quot;image/jpg&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:true,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="pizza with berries" title="pizza with berries" srcset="https://images.unsplash.com/photo-1513104890138-7c749659a591?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHwxfHxwaXp6YXxlbnwwfHx8fDE3ODAzNDIxMDZ8MA&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080 424w, https://images.unsplash.com/photo-1513104890138-7c749659a591?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHwxfHxwaXp6YXxlbnwwfHx8fDE3ODAzNDIxMDZ8MA&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080 848w, https://images.unsplash.com/photo-1513104890138-7c749659a591?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHwxfHxwaXp6YXxlbnwwfHx8fDE3ODAzNDIxMDZ8MA&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080 1272w, https://images.unsplash.com/photo-1513104890138-7c749659a591?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHwxfHxwaXp6YXxlbnwwfHx8fDE3ODAzNDIxMDZ8MA&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080 1456w" sizes="100vw" fetchpriority="high"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg role="img" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><title></title><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a><figcaption class="image-caption">Photo by <a href="https://unsplash.com/@iavnt">Ivan Torres</a> on <a href="https://unsplash.com">Unsplash</a></figcaption></figure></div><p>You&#8217;ve seen the headlines about ultra-processed food. You probably came away knowing it&#8217;s bad for you, but not what it actually is - or how seriously to take it.</p><p>It&#8217;s not a niche worry: it makes up about <a href="https://doi.org/10.1016/S0140-6736(25)01565-X">60% of the calories people eat in the US and more than 50% in the UK</a> - for most people, the bulk of the diet.</p><p>Three things are worth getting straight: what actually counts as ultra-processed, whether the food itself does any harm, and what&#8217;s worth changing.</p><h3>It&#8217;s ultra-processed if it lists ingredients you don't have in your kitchen</h3><p>You can broadly sort food into <a href="https://doi.org/10.1017/S1368980018003762">four groups</a> by what&#8217;s been done to it:</p><ol><li><p><strong>Minimally processed:</strong> whole foods with nothing added, even if they&#8217;ve been frozen, dried, or canned. Vegetables, fruit, eggs, milk, plain rice, fresh meat and fish.</p></li><li><p><strong>Culinary ingredients:</strong> the things you cook them with. Oil, butter, salt, sugar.</p></li><li><p><strong>Processed:</strong> a whole food with salt, sugar, or oil added, the way you would at home, just bought instead of made. Smoked salmon, canned fruit in syrup, dry-cured ham.</p></li><li><p><strong>Ultra-processed:</strong> formulations rebuilt from extracted ingredients and additives you&#8217;d never keep at home: protein isolates, modified starch, emulsifiers, flavourings, colourings, sweeteners.</p></li></ol><p>Take a potato. Raw, it's <em>minimally processed</em>. Roast it in oil with salt and it's <em>processed</em> - still just potato and kitchen ingredients. Grind it into flakes and rebuild it with modified starch, emulsifiers, and flavourings, and you've got a stackable chip: <em>ultra-processed</em>.</p><h3>People who eat more ultra-processed food have a higher risk of several diseases</h3><p>Of 104 long-term studies conducted so far, 92 found a link of this kind.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="https://substackcdn.com/image/fetch/$s_!Ymmv!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc39a112a-d6b4-4222-b50e-5409962bae02_1590x1110.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="https://substackcdn.com/image/fetch/$s_!Ymmv!,w_424,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc39a112a-d6b4-4222-b50e-5409962bae02_1590x1110.png 424w, https://substackcdn.com/image/fetch/$s_!Ymmv!,w_848,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc39a112a-d6b4-4222-b50e-5409962bae02_1590x1110.png 848w, https://substackcdn.com/image/fetch/$s_!Ymmv!,w_1272,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc39a112a-d6b4-4222-b50e-5409962bae02_1590x1110.png 1272w, https://substackcdn.com/image/fetch/$s_!Ymmv!,w_1456,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc39a112a-d6b4-4222-b50e-5409962bae02_1590x1110.png 1456w" sizes="100vw"><img src="https://substackcdn.com/image/fetch/$s_!Ymmv!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc39a112a-d6b4-4222-b50e-5409962bae02_1590x1110.png" width="1456" height="1016" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/c39a112a-d6b4-4222-b50e-5409962bae02_1590x1110.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:1016,&quot;width&quot;:1456,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:134718,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://www.brainhealthdecoded.com/i/200275270?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc39a112a-d6b4-4222-b50e-5409962bae02_1590x1110.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="https://substackcdn.com/image/fetch/$s_!Ymmv!,w_424,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc39a112a-d6b4-4222-b50e-5409962bae02_1590x1110.png 424w, https://substackcdn.com/image/fetch/$s_!Ymmv!,w_848,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc39a112a-d6b4-4222-b50e-5409962bae02_1590x1110.png 848w, https://substackcdn.com/image/fetch/$s_!Ymmv!,w_1272,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc39a112a-d6b4-4222-b50e-5409962bae02_1590x1110.png 1272w, https://substackcdn.com/image/fetch/$s_!Ymmv!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc39a112a-d6b4-4222-b50e-5409962bae02_1590x1110.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg role="img" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><title></title><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Risk was higher for most of the outcomes studied: type 2 diabetes (25% higher), depression (23%), heart disease (19%), death from any cause (18%), high blood pressure (17%), and stroke (14%) - and highest of all for Crohn's disease (90%). For two outcomes, bowel cancer and death from cancer, there was no clear link.</p><p>But the problem with numbers like these is that they're correlations - and we already know correlation &#8800; causation. The people who eat the most ultra-processed food also smoke more, move less, and eat fewer vegetables. So the food might be making them ill, or those habits might be.</p><h3>The processing itself seems to contribute, not just the salt, sugar, and fat</h3><p>To find out, researchers ran a <a href="https://www.cell.com/cell-metabolism/fulltext/S1550-4131(19)30248-7">controlled trial</a>.</p><p>Each person ate both diets - two weeks of ultra-processed food, then two weeks of unprocessed. That makes each person their own comparison: any difference in their weight couldn't come from the kind of person they were, because it was the same person both times. The doubt from before is gone.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="https://substackcdn.com/image/fetch/$s_!rOuE!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb0e1c759-7227-407e-bb37-af1c7608edab_1590x1050.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="https://substackcdn.com/image/fetch/$s_!rOuE!,w_424,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb0e1c759-7227-407e-bb37-af1c7608edab_1590x1050.png 424w, https://substackcdn.com/image/fetch/$s_!rOuE!,w_848,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb0e1c759-7227-407e-bb37-af1c7608edab_1590x1050.png 848w, https://substackcdn.com/image/fetch/$s_!rOuE!,w_1272,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb0e1c759-7227-407e-bb37-af1c7608edab_1590x1050.png 1272w, https://substackcdn.com/image/fetch/$s_!rOuE!,w_1456,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb0e1c759-7227-407e-bb37-af1c7608edab_1590x1050.png 1456w" sizes="100vw"><img src="https://substackcdn.com/image/fetch/$s_!rOuE!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb0e1c759-7227-407e-bb37-af1c7608edab_1590x1050.png" width="1456" height="962" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/b0e1c759-7227-407e-bb37-af1c7608edab_1590x1050.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:962,&quot;width&quot;:1456,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:129849,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://www.brainhealthdecoded.com/i/200275270?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb0e1c759-7227-407e-bb37-af1c7608edab_1590x1050.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="https://substackcdn.com/image/fetch/$s_!rOuE!,w_424,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb0e1c759-7227-407e-bb37-af1c7608edab_1590x1050.png 424w, https://substackcdn.com/image/fetch/$s_!rOuE!,w_848,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb0e1c759-7227-407e-bb37-af1c7608edab_1590x1050.png 848w, https://substackcdn.com/image/fetch/$s_!rOuE!,w_1272,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb0e1c759-7227-407e-bb37-af1c7608edab_1590x1050.png 1272w, https://substackcdn.com/image/fetch/$s_!rOuE!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb0e1c759-7227-407e-bb37-af1c7608edab_1590x1050.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg role="img" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><title></title><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>On the ultra-processed diet, people ate about 500 calories a day more - and gained weight, while losing it on the unprocessed one.</p><h3>How it does this: extra calories, fewer protective foods, and added chemicals</h3><p>Eating more is only part of it. The researchers point to several things acting together:</p><ul><li><p><strong>More calories:</strong> As in the trial above, people ate about 500 more a day on the ultra-processed diet.</p></li><li><p><strong>Less of what protects you:</strong> <a href="https://www.mdpi.com/2072-6643/13/10/3390">Across 13 countries</a>, a diet that's 15% ultra-processed food had about 12% fruit, veg, and beans; one that's 75% ultra-processed had just 4%.</p></li><li><p><strong>Fewer protective compounds: </strong>In a <a href="https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(25)01565-X/abstract">French study of 110,000 adults</a>, the heaviest ultra-processed eaters consumed 15 times more food colourings and 5 times more artificial sweeteners than the lightest.</p></li><li><p><strong>Added chemicals:</strong> Emulsifiers, sweeteners, colourings, and flavour enhancers, plus compounds that form during processing or transfer from packaging - some of which may disturb the gut and cause inflammation.</p></li></ul><h3>How to actually cut down</h3><p>Once you start reading ingredient lists, ultra-processed food turns up almost everywhere - your wholemeal bread, your "healthy" cereal, your protein bar. By the strict definition, a single emulsifier or bit of modified starch is enough to qualify, which sweeps up a lot of food that's basically fine.</p><h4><strong>Not all of it is worth worrying about</strong></h4><p>The studies don&#8217;t separate these two, but in practice they aren&#8217;t the same thing:</p><ul><li><p><strong>&#8220;Technically&#8221; ultra-processed:</strong> wholemeal bread with an added emulsifier, plain yoghurt with a thickener, tinned soup. Mostly fine.</p></li><li><p><strong>The stuff worth cutting:</strong> soft drinks, sweets, reconstituted meat, packaged cakes - built almost entirely from sugar, refined starch, and additives. </p></li></ul><h4>Read the back of the pack, not the front. </h4><p>The claims (&#8221;high protein,&#8221; &#8220;all natural&#8221;) are on the front. The ingredient list is what matters. The more of these you see, the more processed it is:</p><ul><li><p>protein isolate, soy protein, whey protein</p></li><li><p>modified starch, maltodextrin, glucose-fructose syrup</p></li><li><p>emulsifiers: lecithin, mono- and diglycerides, polysorbate</p></li><li><p>colourings, flavourings, flavour enhancers (e.g. MSG)</p></li><li><p>sweeteners: aspartame, sucralose, acesulfame-K</p></li></ul><h4><strong>Easy swaps to start with</strong></h4><ul><li><p><strong>Drinks:</strong> swap soft drinks and energy drinks for water, sparkling water, or unsweetened tea or coffee. Sweetened drinks are the largest single source of ultra-processed calories, so this is the biggest one change you can make.</p></li><li><p><strong>Bread:</strong> pick a loaf that&#8217;s just flour, water, yeast, and salt, from a bakery or the fresh section. Long-life packaged bread adds emulsifiers and dough conditioners to last longer.</p></li><li><p><strong>Yoghurt:</strong> buy plain and add your own fruit. Flavoured pots are usually high in sugar and set with thickeners and colourings.</p></li><li><p><strong>Snacks:</strong> choose nuts, fruit, popcorn, or crackers with two or three ingredients. Flavoured chips are usually reconstituted and carry flavourings and flavour enhancers.</p></li><li><p><strong>Cereal:</strong> pick one with a whole grain listed first and check the sugar. Frosted or &#8220;clustered&#8221; cereals are mostly refined starch and sugar.</p></li><li><p><strong>Cheese:</strong> buy a block and grate it yourself. Pre-shredded adds anti-caking agents and slices add emulsifying salts.</p></li><li><p><strong>Meat:</strong> slice roast chicken, turkey, or beef yourself. Deli cold cuts are high in salt and usually contain nitrites.</p></li><li><p><strong>Cooking:</strong> make a quick sauce or dressing from real ingredients - canned tomatoes and seasoning, or oil and vinegar. Jars and bottles hide emulsifiers, thickeners, and sweeteners.</p></li></ul><p>You don't have to cut all of it. Focus on the foods built mostly from sugar, refined starch, and additives - and if you change one thing, make it the drinks.</p>]]></content:encoded></item><item><title><![CDATA[ADHD and Emotional Dysregulation (What the Neuroscience Says)]]></title><description><![CDATA[Why ADHD turns up the intensity on every emotion - and six strategies for turning it down]]></description><link>https://www.brainhealthdecoded.com/p/adhd-and-emotional-dysregulation</link><guid isPermaLink="false">https://www.brainhealthdecoded.com/p/adhd-and-emotional-dysregulation</guid><dc:creator><![CDATA[Dr. Dominic Ng]]></dc:creator><pubDate>Tue, 26 May 2026 15:13:50 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!0d01!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdf80d40f-1693-4864-a3ed-b23ae3295ec2_2816x1536.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="https://substackcdn.com/image/fetch/$s_!0d01!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdf80d40f-1693-4864-a3ed-b23ae3295ec2_2816x1536.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="https://substackcdn.com/image/fetch/$s_!0d01!,w_424,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdf80d40f-1693-4864-a3ed-b23ae3295ec2_2816x1536.png 424w, https://substackcdn.com/image/fetch/$s_!0d01!,w_848,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdf80d40f-1693-4864-a3ed-b23ae3295ec2_2816x1536.png 848w, https://substackcdn.com/image/fetch/$s_!0d01!,w_1272,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdf80d40f-1693-4864-a3ed-b23ae3295ec2_2816x1536.png 1272w, https://substackcdn.com/image/fetch/$s_!0d01!,w_1456,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdf80d40f-1693-4864-a3ed-b23ae3295ec2_2816x1536.png 1456w" sizes="100vw"><img src="https://substackcdn.com/image/fetch/$s_!0d01!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdf80d40f-1693-4864-a3ed-b23ae3295ec2_2816x1536.png" width="626" height="341.3763736263736" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/df80d40f-1693-4864-a3ed-b23ae3295ec2_2816x1536.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:794,&quot;width&quot;:1456,&quot;resizeWidth&quot;:626,&quot;bytes&quot;:7633779,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:true,&quot;internalRedirect&quot;:&quot;https://www.brainhealthdecoded.com/i/199313113?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdf80d40f-1693-4864-a3ed-b23ae3295ec2_2816x1536.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="https://substackcdn.com/image/fetch/$s_!0d01!,w_424,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdf80d40f-1693-4864-a3ed-b23ae3295ec2_2816x1536.png 424w, https://substackcdn.com/image/fetch/$s_!0d01!,w_848,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdf80d40f-1693-4864-a3ed-b23ae3295ec2_2816x1536.png 848w, https://substackcdn.com/image/fetch/$s_!0d01!,w_1272,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdf80d40f-1693-4864-a3ed-b23ae3295ec2_2816x1536.png 1272w, https://substackcdn.com/image/fetch/$s_!0d01!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fdf80d40f-1693-4864-a3ed-b23ae3295ec2_2816x1536.png 1456w" sizes="100vw" fetchpriority="high"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg role="img" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><title></title><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>If you have ADHD, you might have spent your entire life feeling like the volume dial on your emotions is turned way, way up. You aren&#8217;t alone in this: up to <a href="https://pubmed.ncbi.nlm.nih.gov/24480998/">70% of people with ADHD struggle with emotional dysregulation</a>.</p><p>For years, you might have been labeled as the &#8220;sensitive kid,&#8221; the &#8220;bad kid,&#8221; or felt like you had to manually learn how to regulate your feelings. Today, we are diving into the neuroscience of ADHD and why emotions can feel so overwhelming, along with practical strategies to help you manage them.</p><h2>Why ADHD makes emotions harder to handle</h2><p>In the ADHD brain, the regions that generate emotion respond more strongly, and the ones that would normally regulate them respond less strongly.</p><p>The mismatch sits between two systems:</p><ul><li><p>The prefrontal cortex (behind the forehead) handles pausing, planning, and choosing a response. In ADHD it&#8217;s less active, especially under stress.</p></li><li><p>The amygdala generates rapid emotional reactions. In ADHD it tends to be more reactive.</p></li></ul><p>Part of why is timing. Brain scans show the prefrontal cortex reaches full thickness about <a href="https://www.pnas.org/doi/10.1073/pnas.0707741104">three years later</a> in ADHD children, and reduced prefrontal function persists into adulthood for <a href="https://pubmed.ncbi.nlm.nih.gov/24480998/">around two-thirds</a> of them.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="https://substackcdn.com/image/fetch/$s_!CAnr!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe5f9f93c-9fc2-4684-8946-ec9d67ae1903_1666x564.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="https://substackcdn.com/image/fetch/$s_!CAnr!,w_424,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe5f9f93c-9fc2-4684-8946-ec9d67ae1903_1666x564.png 424w, 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data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/e5f9f93c-9fc2-4684-8946-ec9d67ae1903_1666x564.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:493,&quot;width&quot;:1456,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:683743,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://www.brainhealthdecoded.com/i/199313113?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe5f9f93c-9fc2-4684-8946-ec9d67ae1903_1666x564.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="https://substackcdn.com/image/fetch/$s_!CAnr!,w_424,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe5f9f93c-9fc2-4684-8946-ec9d67ae1903_1666x564.png 424w, https://substackcdn.com/image/fetch/$s_!CAnr!,w_848,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe5f9f93c-9fc2-4684-8946-ec9d67ae1903_1666x564.png 848w, https://substackcdn.com/image/fetch/$s_!CAnr!,w_1272,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe5f9f93c-9fc2-4684-8946-ec9d67ae1903_1666x564.png 1272w, https://substackcdn.com/image/fetch/$s_!CAnr!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe5f9f93c-9fc2-4684-8946-ec9d67ae1903_1666x564.png 1456w" sizes="100vw"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg role="img" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><title></title><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a><figcaption class="image-caption">The coloured patches show areas of the brain that have reached their peak thickness at each age. Top row: children with ADHD. Bottom row: children without. In the bottom row, most regulatory regions have peaked by around age 7&#8211;8. The top row lags by roughly three years, with most regions peaking closer to age 10&#8211;11. <a href="https://www.pnas.org/doi/10.1073/pnas.0707741104">Study Link</a></figcaption></figure></div><p>All of this shows up in daily life as <em>executive dysfunction</em> - difficulty with the skills your brain uses to manage thoughts, actions, and emotions in pursuit of a goal. When those skills are impaired, emotion regulation breaks down in a handful of predictable ways - five of which probably feel familiar:</p><h2>Five ways executive dysfunction affects emotion</h2><ol><li><p><strong>Reduced impulse control.</strong> The reaction comes out before the brain has had a chance to filter it. You've snapped, sent the message, or stormed out of the room before you've consciously decided to.</p></li><li><p><strong>Difficulty shifting emotional states.</strong> Once a feeling settles in, it tends to stick. Hyperfocus can lead you to ruminate on the same small comment for hours, or carry a bad mood from one part of the day into the next.</p></li><li><p><strong>Lower frustration tolerance.</strong> Small setbacks feel disproportionately big. A delayed train, a confusing form, or someone interrupting you can feel briefly unbearable.</p></li><li><p><strong>Time blindness.</strong> When something feels bad, it feels like it's always felt this way and always will. The knowledge that you'll probably feel fine again in an hour isn't really available in the moment.</p></li><li><p><strong>Reduced working memory.</strong> Processing a feeling involves holding several pieces of information in mind at once. When working memory is limited, you can lose track of the fact that the situation is temporary, or forget the calming approach that's worked before.</p></li></ol><p>That's a lot. And it's the difficult side of ADHD wiring - but it's not the whole picture. The same wiring that makes emotions hard to manage also tends to make people feel things deeply, notice what others miss, and think in creative, unexpected ways. Many people with ADHD also do <em>really well</em> in fast-moving or high-pressure situations - the kind of settings where reacting quickly is an asset rather than a problem.</p><p>That said, not everyone has the opportunity to work in those kinds of settings. Day-to-day life is mostly slow, repetitive, and full of small frustrations, which is exactly where ADHD wiring struggles most. So the real question is what to do in those ordinary moments, when small frustrations stack up and willpower runs out.</p><h2>So What Actually Helps</h2><p>What follows are six strategies built around how the ADHD brain actually works - not generic advice that assumes you can just try harder. Each one is drawn from brain imaging studies, clinical trials, or emotion regulation research, and most take under ten minutes to put into practice.</p>
      <p>
          <a href="https://www.brainhealthdecoded.com/p/adhd-and-emotional-dysregulation">
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          </a>
      </p>
   ]]></content:encoded></item><item><title><![CDATA[Why You Can't Focus After Scrolling (The Evidence on Brainrot)]]></title><description><![CDATA[Why you feel dumber after scrolling, and what to do about it.]]></description><link>https://www.brainhealthdecoded.com/p/why-you-cant-focus-after-scrolling</link><guid isPermaLink="false">https://www.brainhealthdecoded.com/p/why-you-cant-focus-after-scrolling</guid><dc:creator><![CDATA[Dr. Dominic Ng]]></dc:creator><pubDate>Tue, 19 May 2026 17:21:00 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!eIlG!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5b6a61cb-4b6b-4b19-814d-1ee0f3dc676a_2816x1536.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="https://substackcdn.com/image/fetch/$s_!eIlG!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5b6a61cb-4b6b-4b19-814d-1ee0f3dc676a_2816x1536.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="https://substackcdn.com/image/fetch/$s_!eIlG!,w_424,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5b6a61cb-4b6b-4b19-814d-1ee0f3dc676a_2816x1536.png 424w, https://substackcdn.com/image/fetch/$s_!eIlG!,w_848,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5b6a61cb-4b6b-4b19-814d-1ee0f3dc676a_2816x1536.png 848w, https://substackcdn.com/image/fetch/$s_!eIlG!,w_1272,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5b6a61cb-4b6b-4b19-814d-1ee0f3dc676a_2816x1536.png 1272w, https://substackcdn.com/image/fetch/$s_!eIlG!,w_1456,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5b6a61cb-4b6b-4b19-814d-1ee0f3dc676a_2816x1536.png 1456w" sizes="100vw"><img src="https://substackcdn.com/image/fetch/$s_!eIlG!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5b6a61cb-4b6b-4b19-814d-1ee0f3dc676a_2816x1536.png" width="599" height="326.6524725274725" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/5b6a61cb-4b6b-4b19-814d-1ee0f3dc676a_2816x1536.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:794,&quot;width&quot;:1456,&quot;resizeWidth&quot;:599,&quot;bytes&quot;:6313534,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:true,&quot;internalRedirect&quot;:&quot;https://www.brainhealthdecoded.com/i/198378615?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5b6a61cb-4b6b-4b19-814d-1ee0f3dc676a_2816x1536.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="https://substackcdn.com/image/fetch/$s_!eIlG!,w_424,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5b6a61cb-4b6b-4b19-814d-1ee0f3dc676a_2816x1536.png 424w, https://substackcdn.com/image/fetch/$s_!eIlG!,w_848,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5b6a61cb-4b6b-4b19-814d-1ee0f3dc676a_2816x1536.png 848w, https://substackcdn.com/image/fetch/$s_!eIlG!,w_1272,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5b6a61cb-4b6b-4b19-814d-1ee0f3dc676a_2816x1536.png 1272w, https://substackcdn.com/image/fetch/$s_!eIlG!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5b6a61cb-4b6b-4b19-814d-1ee0f3dc676a_2816x1536.png 1456w" sizes="100vw" fetchpriority="high"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg role="img" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><title></title><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>You feel dumber than you used to.</p><p>Not in a way you could prove. But you probably notice it. You re-read the same paragraph three times before anything sticks. You pick up your phone to check one thing, lose twenty minutes, and can&#8217;t remember what the original thing was.</p><p>The feeling isn't just yours, and it isn't just a feeling. Look at what people are actually willing to read. The average New York Times bestseller has lost about fifty pages since 2011 - publishers and readers, collectively, converging on shorter books.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="https://substackcdn.com/image/fetch/$s_!bFSZ!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F65f8a1dd-1135-4522-a4e6-72bbff417328_2100x1300.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="https://substackcdn.com/image/fetch/$s_!bFSZ!,w_424,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F65f8a1dd-1135-4522-a4e6-72bbff417328_2100x1300.png 424w, https://substackcdn.com/image/fetch/$s_!bFSZ!,w_848,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F65f8a1dd-1135-4522-a4e6-72bbff417328_2100x1300.png 848w, https://substackcdn.com/image/fetch/$s_!bFSZ!,w_1272,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F65f8a1dd-1135-4522-a4e6-72bbff417328_2100x1300.png 1272w, https://substackcdn.com/image/fetch/$s_!bFSZ!,w_1456,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F65f8a1dd-1135-4522-a4e6-72bbff417328_2100x1300.png 1456w" sizes="100vw"><img src="https://substackcdn.com/image/fetch/$s_!bFSZ!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F65f8a1dd-1135-4522-a4e6-72bbff417328_2100x1300.png" width="1456" height="901" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/65f8a1dd-1135-4522-a4e6-72bbff417328_2100x1300.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:901,&quot;width&quot;:1456,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:102102,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://www.brainhealthdecoded.com/i/198378615?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F65f8a1dd-1135-4522-a4e6-72bbff417328_2100x1300.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="https://substackcdn.com/image/fetch/$s_!bFSZ!,w_424,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F65f8a1dd-1135-4522-a4e6-72bbff417328_2100x1300.png 424w, https://substackcdn.com/image/fetch/$s_!bFSZ!,w_848,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F65f8a1dd-1135-4522-a4e6-72bbff417328_2100x1300.png 848w, https://substackcdn.com/image/fetch/$s_!bFSZ!,w_1272,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F65f8a1dd-1135-4522-a4e6-72bbff417328_2100x1300.png 1272w, https://substackcdn.com/image/fetch/$s_!bFSZ!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F65f8a1dd-1135-4522-a4e6-72bbff417328_2100x1300.png 1456w" sizes="100vw"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg role="img" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><title></title><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a><figcaption class="image-caption"><a href="https://www.ft.com/content/b56fcaba-b36d-44f1-affa-24a049a66638?syn-25a6b1a6=1">Source</a></figcaption></figure></div><p>The harder measures also show the same drift. Adult literacy and numeracy scores have fallen across most rich countries since 2012, <a href="https://www.oecd.org/en/about/news/press-releases/2024/12/adult-skills-in-literacy-and-numeracy-declining-or-stagnating-in-most-oecd-countries.html">according to OECD testing</a> of more than 160,000 adults across 30 countries. In some, the average adult now scores worse than the average adult did a decade ago - by a margin equivalent to a couple of years of schooling.</p><p>Two different measures of two different things, and the windows line up. Something changed in the early 2010s.</p><p>There&#8217;s an obvious suspect. Smartphones crossed majority adoption in rich countries <a href="https://www.pewresearch.org/internet/2013/06/05/smartphone-ownership-2013/">right in that window</a>, and short-form feeds became the default way people spent their downtime. Plenty of people have drawn the conclusion this invites: our phones are making us worse at thinking.</p><p>But does the evidence really back that up?</p><h3>Short Scrolling Sessions Measurably Weaken Understanding</h3><p>We already know from correlational studies that <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10971362/">heavy social media users have worse attention</a>, but they can&#8217;t separate cause from effect. People who already struggle to focus may simply be the ones drawn to apps or phones. The only way to actually test this is to take people, have some of them scroll and some of them do something else for a fixed amount of time, and measure the difference afterwards. </p><p>That is roughly what a <a href="https://cyberpsychology.eu/article/view/33099">2024 study</a> did. </p><p>What this study found was that people who spent 30 minutes scrolling TikTok <a href="https://cyberpsychology.eu/article/view/33099">did worse on a test of reasoning</a> and were more likely to believe fake headlines than people who'd spent the same time reading an e-book. </p><p>What&#8217;s more interesting is they also found that <strong>the swiping itself was the problem</strong>. Researchers took 178 people and split them in two: one group swiped through TikToks for 20 minutes like they normally would, while the other group watched the exact same videos stitched together into one continuous clip.</p><p>Afterwards, the swipers:</p><ul><li><p>Scored noticeably worse on a reasoning test</p></li><li><p>Were more likely to fall for fake news</p></li><li><p>Were more likely to believe negative headlines</p></li></ul><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="https://substackcdn.com/image/fetch/$s_!-u9q!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F43ba73cc-f4e5-4e1e-97b5-2fb24f59be84_2000x1080.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="https://substackcdn.com/image/fetch/$s_!-u9q!,w_424,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F43ba73cc-f4e5-4e1e-97b5-2fb24f59be84_2000x1080.png 424w, https://substackcdn.com/image/fetch/$s_!-u9q!,w_848,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F43ba73cc-f4e5-4e1e-97b5-2fb24f59be84_2000x1080.png 848w, https://substackcdn.com/image/fetch/$s_!-u9q!,w_1272,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F43ba73cc-f4e5-4e1e-97b5-2fb24f59be84_2000x1080.png 1272w, https://substackcdn.com/image/fetch/$s_!-u9q!,w_1456,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F43ba73cc-f4e5-4e1e-97b5-2fb24f59be84_2000x1080.png 1456w" sizes="100vw"><img src="https://substackcdn.com/image/fetch/$s_!-u9q!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F43ba73cc-f4e5-4e1e-97b5-2fb24f59be84_2000x1080.png" width="1456" height="786" 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srcset="https://substackcdn.com/image/fetch/$s_!-u9q!,w_424,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F43ba73cc-f4e5-4e1e-97b5-2fb24f59be84_2000x1080.png 424w, https://substackcdn.com/image/fetch/$s_!-u9q!,w_848,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F43ba73cc-f4e5-4e1e-97b5-2fb24f59be84_2000x1080.png 848w, https://substackcdn.com/image/fetch/$s_!-u9q!,w_1272,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F43ba73cc-f4e5-4e1e-97b5-2fb24f59be84_2000x1080.png 1272w, https://substackcdn.com/image/fetch/$s_!-u9q!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F43ba73cc-f4e5-4e1e-97b5-2fb24f59be84_2000x1080.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg role="img" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><title></title><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>But if the swiping was the problem, why would that be?</p><p>Here are two plausible explanations</p><ul><li><p><strong>Decision fatigue.</strong> Every video forces a small choice: keep watching, or move on? Make hundreds of those choices in thirty minutes and you've <a href="https://psycnet.apa.org/doi/10.1037/0022-3514.94.5.883">burned through the mental energy</a> you needed for the reasoning test.</p></li><li><p><strong>Dopamine adjustment.</strong> Each new video gives you a small novelty hit, and <a href="https://doi.org/10.1016/j.neuron.2006.06.021">your brain adjusts its baseline downward in response</a>. After the session, ordinary tasks feel duller and harder to engage with - not because they've changed, but because your baseline has.</p></li></ul><h3><strong>The Good News</strong></h3><p>The damage isn&#8217;t permanent. The experiments measure what happens in the thirty minutes after you put the phone down - not a week later. The scrollers weren&#8217;t permanently worse at reasoning; they were just worse for a while.</p><p>But &#8220;for a while&#8221; still costs you. Three hours a day in a fog is three hours a day you&#8217;re not thinking clearly, and a lot of life happens in those hours.</p><p>Quitting is hard to sustain. Time limits get ignored. Deleting the apps works for a few days, then you reinstall them. But the two mechanisms behind the fog each point to something that does work:</p><ul><li><p><em>Decision fatigue</em> scales with how many &#8220;keep watching?&#8221; choices you make. So make those decisions once, upfront - not hundreds of times when you&#8217;re tired.</p></li><li><p><em>Dopamine adjustment</em> takes thirty to sixty minutes to recover. So put a buffer between scrolling and anything that needs focus.</p></li></ul><p>Here&#8217;s how to do both.</p>
      <p>
          <a href="https://www.brainhealthdecoded.com/p/why-you-cant-focus-after-scrolling">
              Read more
          </a>
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   ]]></content:encoded></item><item><title><![CDATA[A Neuroscientist's Guide to Your Morning Routine]]></title><description><![CDATA[Five evidence-based strategies - revisited for 2026]]></description><link>https://www.brainhealthdecoded.com/p/a-neuroscientists-guide-to-your-morning</link><guid isPermaLink="false">https://www.brainhealthdecoded.com/p/a-neuroscientists-guide-to-your-morning</guid><dc:creator><![CDATA[Dr. Dominic Ng]]></dc:creator><pubDate>Tue, 12 May 2026 19:25:47 GMT</pubDate><enclosure url="https://images.unsplash.com/photo-1474859569645-e0def92b02bc?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHwxfHxtb3JuaW5nJTIwcm91dGluZXxlbnwwfHx8fDE3NTYxNjI2MTh8MA&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="https://images.unsplash.com/photo-1474859569645-e0def92b02bc?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHwxfHxtb3JuaW5nJTIwcm91dGluZXxlbnwwfHx8fDE3NTYxNjI2MTh8MA&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="https://images.unsplash.com/photo-1474859569645-e0def92b02bc?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHwxfHxtb3JuaW5nJTIwcm91dGluZXxlbnwwfHx8fDE3NTYxNjI2MTh8MA&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080 424w, https://images.unsplash.com/photo-1474859569645-e0def92b02bc?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHwxfHxtb3JuaW5nJTIwcm91dGluZXxlbnwwfHx8fDE3NTYxNjI2MTh8MA&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080 848w, https://images.unsplash.com/photo-1474859569645-e0def92b02bc?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHwxfHxtb3JuaW5nJTIwcm91dGluZXxlbnwwfHx8fDE3NTYxNjI2MTh8MA&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080 1272w, https://images.unsplash.com/photo-1474859569645-e0def92b02bc?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHwxfHxtb3JuaW5nJTIwcm91dGluZXxlbnwwfHx8fDE3NTYxNjI2MTh8MA&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080 1456w" sizes="100vw"><img src="https://images.unsplash.com/photo-1474859569645-e0def92b02bc?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHwxfHxtb3JuaW5nJTIwcm91dGluZXxlbnwwfHx8fDE3NTYxNjI2MTh8MA&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080" width="680" height="453.3333333333333" 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srcset="https://images.unsplash.com/photo-1474859569645-e0def92b02bc?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHwxfHxtb3JuaW5nJTIwcm91dGluZXxlbnwwfHx8fDE3NTYxNjI2MTh8MA&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080 424w, https://images.unsplash.com/photo-1474859569645-e0def92b02bc?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHwxfHxtb3JuaW5nJTIwcm91dGluZXxlbnwwfHx8fDE3NTYxNjI2MTh8MA&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080 848w, https://images.unsplash.com/photo-1474859569645-e0def92b02bc?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHwxfHxtb3JuaW5nJTIwcm91dGluZXxlbnwwfHx8fDE3NTYxNjI2MTh8MA&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080 1272w, https://images.unsplash.com/photo-1474859569645-e0def92b02bc?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHwxfHxtb3JuaW5nJTIwcm91dGluZXxlbnwwfHx8fDE3NTYxNjI2MTh8MA&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080 1456w" sizes="100vw" fetchpriority="high"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg role="img" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><title></title><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Most morning routine advice is either impossibly rigid or completely useless.</p><p>The 4AM meditation crowd makes it sound like you need monk-level discipline. Hitting snooze and calling it &#8220;self care&#8221; mistakes comfort for actual care. Neither approach works for most people.</p><p>Here&#8217;s what the research suggests might work better - five practices that can help you feel more present and engaged:</p><h2>1. Wake Up at the Same Time Every Day</h2><p>Your brain has an internal clock that aligns hormone release to help set the times you wake up, feel hungry, and want to go to bed. It thrives on predictability.</p><p>When you wake at 7am on weekdays and noon on weekends, you&#8217;re essentially putting your body through a <strong><a href="https://pubmed.ncbi.nlm.nih.gov/26061587/">5-hour jetlag</a> twice a week</strong>. Your brain doesn&#8217;t know whether to prep you for morning mode or sleep mode, so it does neither well.</p><p>That&#8217;s why <a href="https://www.nature.com/articles/s41598-017-03171-4">studies</a> show consistent sleep-wake times improve mental performance. The consistency lets your brain <em>anticipate and optimise</em> its chemical releases - regardless of whether you sleep 6 or 8 hours.</p><p>The takeaway: <strong>Pick a wake time you can maintain 7 days a week</strong> and stick within a 30-minute window. Especially weekends.</p><h2>2. Outside Light Within 60 Minutes</h2><p>Your brain determines wake vs sleep based on light hitting special receptors in your eyes. </p><p>Give these receptors bright light after waking, and they orchestrate your <a href="https://pubmed.ncbi.nlm.nih.gov/11231993/">entire wake-up chemistry</a>: melatonin shuts off, cortisol rises (good in this context!), and your biological clock resets.</p><p>Indoor lighting may feel bright to us, but your brain disagrees. Even cloudy outdoor light is probably <strong>20 times stronger</strong>than your living room - the difference between your biology recognising &#8220;day&#8221; versus &#8220;twilight.&#8221;</p><p>The takeaway: Outdoor light within your <a href="https://pmc.ncbi.nlm.nih.gov/articles/PMC6751071/">first waking hour</a>. <strong>Five minutes minimum, clouds don&#8217;t matter.</strong></p><h2>3. Exercise in the Morning</h2><p>A single session of moderate exercise - think brisk walking or light jogging - enhances <a href="https://www.sciencedirect.com/science/article/pii/S0149763421002670">executive function and working memory for hours</a> - thanks to the release of <a href="https://www.sciencedirect.com/science/article/pii/S1755296624000036">BDNF</a>, a protein that strengthens neural connections.</p><p>The sweet spot: <strong>20-30 minutes at conversational pace</strong> - where talking is difficult but not impossible. This intensity give you a cognitive boost without exhausting you for the rest of the day. </p><p>I hate running with a passion (who actually likes running&#8230;) so I settle for a 10-20 minute outdoor morning walk. </p><p>It works for me - and the outdoor element means I&#8217;m hitting two biological switches at once with movement and morning light</p><h2><strong>4. Wait 90 Minutes for Coffee</strong></h2><p>Sleep clears adenosine (your fatigue molecule) to near-zero levels - that&#8217;s why you feel refreshed. But it starts rebuilding the moment you wake, gradually accumulating over 60-120 minutes.</p><p>Give it time to build up, and caffeine has more to block - meaning stronger, longer-lasting effects from the same dose</p><p>Drinking coffee immediately upon waking is like taking painkillers <em>before you&#8217;re actually in pain</em>. The adenosine you&#8217;re trying to block barely exists yet. <strong>Wait until you actually need the boost.</strong></p><p>That said, if your morning coffee is a cherished ritual that brings you joy - keep it. The best routine is one you&#8217;ll actually follow.</p><h2><strong>5. Practice Brief Daily Meditation</strong></h2><p>Ten minutes of meditation can transform your attention and stress response - but only if you do it daily.</p><p><a href="https://www.pnas.org/doi/10.1073/pnas.0707678104">Studies</a> show that consistency matters more than duration: ten minutes every day beats an hour once a week.</p><p>The simplest method: breathe in for 5 seconds, out for 5 seconds. This gives you exactly <a href="https://pubmed.ncbi.nlm.nih.gov/35623448/">6 breaths per minute</a> - the pace that increases heart rate variability, your marker for better stress management and sustained attention. Your nervous system learns to stay calm without losing alertness.</p><p>Within weeks of daily practice, brain scans reveal measurable changes in regions controlling focus and emotional regulation. </p><p>The key isn&#8217;t <a href="https://pubmed.ncbi.nlm.nih.gov/30153464/">perfection or extended sessions</a>. It&#8217;s showing up, breathing deliberately, and letting those small daily deposits compound into lasting change.</p><h2>Common Morning Pitfalls</h2><p>Three habits that <em>reduce</em> morning effectiveness:</p><ol><li><p><strong>Checking your phone immediately.</strong> <em>The mere presence</em> of your smartphone can measurably impair attention and working memory. I keep my charger across the room as a helpful reminder.</p></li><li><p><strong>Starting the day under-hydrated. </strong>Even mild dehydration (~1&#8211;2% body mass) impairs <a href="https://www.cambridge.org/core/journals/british-journal-of-nutrition/article/effects-of-hydration-status-on-cognitive-performance-and-mood/1210B6BE585E03C71A299C52B51B22F7">attention, working memory, and mood</a>. A full glass of water upon waking makes a difference.</p></li><li><p><strong>Tackling complex work right after waking.</strong> Your brain needs 30-60 minutes to <a href="https://pmc.ncbi.nlm.nih.gov/articles/PMC6710480/">fully wake up</a>. Reserve demanding tasks for when you&#8217;re properly awake.</p></li></ol><h2>The Bottom Line</h2><p>Forget the 17-step protocols and 4AM wake-ups. The real power lies in choosing <strong>one small change</strong> that actually speaks to you.</p><p><strong>Start simple.</strong> A 10-minute walk outside each morning can shift your entire day. Try it for a week. If it works, keep it. If not, try something else.</p><p>This <em>isn&#8217;t</em> about squeezing more productivity from your mornings - it&#8217;s about showing up more fully for your life. When you&#8217;re grounded and present, everyone benefits: you, your family, your colleagues, the stranger you smile at on the street.</p><p>Think of these practices as a menu, not a mandate. Pick what sounds good today. Leave the rest. The perfect morning is the one that helps you meet the day as someone you&#8217;re proud to be.</p><div class="pullquote"><p>From the Archives (August 2025)</p></div>]]></content:encoded></item><item><title><![CDATA[One Simple Tip to Learn Faster and Remember More]]></title><description><![CDATA[The neuroscience of why zoning out makes you smarter]]></description><link>https://www.brainhealthdecoded.com/p/one-simple-tip-to-learn-faster-and</link><guid isPermaLink="false">https://www.brainhealthdecoded.com/p/one-simple-tip-to-learn-faster-and</guid><dc:creator><![CDATA[Dr. Dominic Ng]]></dc:creator><pubDate>Tue, 05 May 2026 14:47:05 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!Csbf!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fbc7d7598-b133-4eb1-853b-42c565da6ed4_1408x768.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="https://substackcdn.com/image/fetch/$s_!Csbf!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fbc7d7598-b133-4eb1-853b-42c565da6ed4_1408x768.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="https://substackcdn.com/image/fetch/$s_!Csbf!,w_424,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fbc7d7598-b133-4eb1-853b-42c565da6ed4_1408x768.png 424w, https://substackcdn.com/image/fetch/$s_!Csbf!,w_848,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fbc7d7598-b133-4eb1-853b-42c565da6ed4_1408x768.png 848w, https://substackcdn.com/image/fetch/$s_!Csbf!,w_1272,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fbc7d7598-b133-4eb1-853b-42c565da6ed4_1408x768.png 1272w, https://substackcdn.com/image/fetch/$s_!Csbf!,w_1456,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fbc7d7598-b133-4eb1-853b-42c565da6ed4_1408x768.png 1456w" sizes="100vw"><img src="https://substackcdn.com/image/fetch/$s_!Csbf!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fbc7d7598-b133-4eb1-853b-42c565da6ed4_1408x768.png" width="585" height="319.09090909090907" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/bc7d7598-b133-4eb1-853b-42c565da6ed4_1408x768.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:768,&quot;width&quot;:1408,&quot;resizeWidth&quot;:585,&quot;bytes&quot;:2327454,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:true,&quot;internalRedirect&quot;:&quot;https://www.brainhealthdecoded.com/i/196522964?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fbc7d7598-b133-4eb1-853b-42c565da6ed4_1408x768.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="https://substackcdn.com/image/fetch/$s_!Csbf!,w_424,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fbc7d7598-b133-4eb1-853b-42c565da6ed4_1408x768.png 424w, https://substackcdn.com/image/fetch/$s_!Csbf!,w_848,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fbc7d7598-b133-4eb1-853b-42c565da6ed4_1408x768.png 848w, https://substackcdn.com/image/fetch/$s_!Csbf!,w_1272,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fbc7d7598-b133-4eb1-853b-42c565da6ed4_1408x768.png 1272w, https://substackcdn.com/image/fetch/$s_!Csbf!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fbc7d7598-b133-4eb1-853b-42c565da6ed4_1408x768.png 1456w" sizes="100vw" fetchpriority="high"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg role="img" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><title></title><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>We spend a remarkable amount of our lives not really doing anything.</p><p>Around 8 hours a day asleep. And of the time we&#8217;re awake, the average person spends nearly half of it zoned out - daydreaming, mind wandering, tuned out from what&#8217;s actually in front of them.</p><p>On the face of it, this seems a colossal waste of time. Time spent staring out the window is time that could have been spent finding food or watching for predators.</p><p>But it isn't just us. Animals zone out too. And when a behaviour takes up this much time across species, it's usually doing a job we haven't figured out yet.</p><h2>One Job Is Turning Experiences Into Memories</h2><p>Memories don&#8217;t form the moment you learn something. It takes two steps, both of which happen in a part of the brain called the <em>hippocampus</em>:</p><ol><li><p><strong>Capture:</strong> Information from your senses flows into the hippocampus, which binds it together into a single experience - what you saw, heard, felt, where you were.</p></li><li><p><strong>Consolidation:</strong> The hippocampus then sends that bundled experience back out to the rest of the brain, where long-term memories are held.</p></li></ol><p>In short, information flows <em>into</em> the hippocampus when you're learning and <em>back out</em> when you're consolidating. The problem is that the <strong>road in and the road out of the hippocampus are the same road</strong> - and scientists increasingly think traffic can only run one way at a time. </p><p>This means <strong>your brain can't receive information AND turn it into a memory at the same time</strong>.</p><p>For a long time, we thought the only time this happened was during sleep which meant the story was simple: learn during the day, store it overnight. But it turns out it&#8217;s not that simple.</p><h2>Zoning out can also help consolidate memories</h2><p>In <a href="https://journals.sagepub.com/doi/10.1177/0956797612441220">one study</a>, participants listened to a short story. Then they spent 15 minutes doing one of two things:</p><ul><li><p>Resting with their eyes closed</p></li><li><p>A &#8220;spot the difference&#8221; puzzle</p></li></ul><p><strong>The group that rested immediately after</strong> <strong>remembered twice as much of the story</strong>. Not just immediately but also a week later too.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="https://substackcdn.com/image/fetch/$s_!MxTm!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff4e9c672-cd35-494f-920e-404d34460480_1106x724.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="https://substackcdn.com/image/fetch/$s_!MxTm!,w_424,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff4e9c672-cd35-494f-920e-404d34460480_1106x724.png 424w, https://substackcdn.com/image/fetch/$s_!MxTm!,w_848,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff4e9c672-cd35-494f-920e-404d34460480_1106x724.png 848w, https://substackcdn.com/image/fetch/$s_!MxTm!,w_1272,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff4e9c672-cd35-494f-920e-404d34460480_1106x724.png 1272w, https://substackcdn.com/image/fetch/$s_!MxTm!,w_1456,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff4e9c672-cd35-494f-920e-404d34460480_1106x724.png 1456w" sizes="100vw"><img src="https://substackcdn.com/image/fetch/$s_!MxTm!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff4e9c672-cd35-494f-920e-404d34460480_1106x724.png" width="643" height="420.9150090415913" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/f4e9c672-cd35-494f-920e-404d34460480_1106x724.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:724,&quot;width&quot;:1106,&quot;resizeWidth&quot;:643,&quot;bytes&quot;:130816,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://www.brainhealthdecoded.com/i/196522964?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff4e9c672-cd35-494f-920e-404d34460480_1106x724.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="https://substackcdn.com/image/fetch/$s_!MxTm!,w_424,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff4e9c672-cd35-494f-920e-404d34460480_1106x724.png 424w, https://substackcdn.com/image/fetch/$s_!MxTm!,w_848,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff4e9c672-cd35-494f-920e-404d34460480_1106x724.png 848w, https://substackcdn.com/image/fetch/$s_!MxTm!,w_1272,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff4e9c672-cd35-494f-920e-404d34460480_1106x724.png 1272w, https://substackcdn.com/image/fetch/$s_!MxTm!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff4e9c672-cd35-494f-920e-404d34460480_1106x724.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg role="img" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><title></title><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a><figcaption class="image-caption"><a href="https://www.nature.com/articles/s44159-022-00072-w/figures/1">link</a></figcaption></figure></div><p>The natural next question was whether rest could really compete with sleep. So researchers ran the direct test. <strong><a href="https://pmc.ncbi.nlm.nih.gov/articles/PMC8139635/">15 minutes of eyes-closed rest</a> produced almost the same memory benefit as a 30-minute nap.</strong></p><p>The same pattern also shows up across <a href="https://link.springer.com/article/10.3758/s13423-025-02665-x">motor learning, spatial learning, and other types of learning</a>. Rest after learning consistently beat doing something else.</p><h2>How to use this in real life</h2><p>The challenge is that modern life has quietly eliminated <em>inattention</em>. This used to be most of life. Walks, queues, commutes, the gap between meetings.</p><p>Here's what the studies say are the best ways to actually build these periods of time back into your life.</p>
      <p>
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   ]]></content:encoded></item><item><title><![CDATA[Your Brain Isn't a To-Do List (Stop Treating It Like One)]]></title><description><![CDATA[A 15-minute daily habit to empty your mental inbox]]></description><link>https://www.brainhealthdecoded.com/p/your-brain-isnt-a-to-do-list-stop</link><guid isPermaLink="false">https://www.brainhealthdecoded.com/p/your-brain-isnt-a-to-do-list-stop</guid><dc:creator><![CDATA[Dr. Dominic Ng]]></dc:creator><pubDate>Tue, 28 Apr 2026 16:42:30 GMT</pubDate><enclosure url="https://images.unsplash.com/photo-1509528640600-be205362320b?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHw0Mnx8c3RhdGlvbmFyeXxlbnwwfHx8fDE3NzczOTE3NTV8MA&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="https://images.unsplash.com/photo-1509528640600-be205362320b?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHw0Mnx8c3RhdGlvbmFyeXxlbnwwfHx8fDE3NzczOTE3NTV8MA&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="https://images.unsplash.com/photo-1509528640600-be205362320b?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHw0Mnx8c3RhdGlvbmFyeXxlbnwwfHx8fDE3NzczOTE3NTV8MA&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080 424w, https://images.unsplash.com/photo-1509528640600-be205362320b?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHw0Mnx8c3RhdGlvbmFyeXxlbnwwfHx8fDE3NzczOTE3NTV8MA&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080 848w, 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data-attrs="{&quot;src&quot;:&quot;https://images.unsplash.com/photo-1509528640600-be205362320b?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHw0Mnx8c3RhdGlvbmFyeXxlbnwwfHx8fDE3NzczOTE3NTV8MA&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:2000,&quot;width&quot;:2992,&quot;resizeWidth&quot;:551,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;open notebook on brown wooden surface&quot;,&quot;title&quot;:null,&quot;type&quot;:&quot;image/jpg&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:true,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="open notebook on brown wooden surface" title="open notebook on brown wooden surface" srcset="https://images.unsplash.com/photo-1509528640600-be205362320b?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHw0Mnx8c3RhdGlvbmFyeXxlbnwwfHx8fDE3NzczOTE3NTV8MA&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080 424w, https://images.unsplash.com/photo-1509528640600-be205362320b?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHw0Mnx8c3RhdGlvbmFyeXxlbnwwfHx8fDE3NzczOTE3NTV8MA&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080 848w, https://images.unsplash.com/photo-1509528640600-be205362320b?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHw0Mnx8c3RhdGlvbmFyeXxlbnwwfHx8fDE3NzczOTE3NTV8MA&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080 1272w, https://images.unsplash.com/photo-1509528640600-be205362320b?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHw0Mnx8c3RhdGlvbmFyeXxlbnwwfHx8fDE3NzczOTE3NTV8MA&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080 1456w" sizes="100vw" fetchpriority="high"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg role="img" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><title></title><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a><figcaption class="image-caption">Photo by <a href="https://unsplash.com/@esteejanssens">Est&#233;e Janssens</a> on <a href="https://unsplash.com">Unsplash</a></figcaption></figure></div><p>Most advice for over-thinkers focuses on managing your thoughts - meditate, journal, reframe. It's good advice. But it assumes the problem is what's happening inside your head - when sometimes the problem is you <em>actually</em> do have too much to think about.</p><p>There are lots of things that could be cluttering your head, but one of the biggest is unfinished business:</p><ul><li><p>The email you'll reply to later.</p></li><li><p>The text you'll deal with tomorrow. </p></li><li><p>The plan you'll figure out sometime this week. </p></li></ul><p>It isn't the whole problem, but it's a bigger share of it than people realise - and it's the easiest part to fix.</p><h2>Why does unfinished business clutter your head?</h2><p>Working memory is the mental workspace you use to hold things in mind right now - like keeping "glass of water" in your head as you walk to the kitchen. It has limited space, and your brain keeps anything in it that you might need to act on soon.</p><p>In short, it&#8217;s a way of <strong>keeping memories within arm's reach, in case you need to act on it.</strong></p><p>The trouble is that "might need to act on soon" is a low bar. Anything unfinished qualifies, because your brain can't rule out that you might be doing this task in the near future. So the workspace fills up with things like:</p><ul><li><p>The dentist appointment you keep meaning to book</p></li><li><p>The weird email from your boss you haven&#8217;t replied to</p></li><li><p>The thing your friend said last week that you&#8217;re still turning over</p></li></ul><p>When too many things pile up there, that's the feeling of <em>oh I have to write this email</em> &#8594; <em>oh I need to call the dentist</em> &#8594; <em>oh and the boss thing</em> &#8594; <em>wait, the email</em> - round and round, because nothing in it is getting handled.</p><h2>How to clear your head</h2><p>The way to get something out of your working memory is <strong>to convince your brain you don't need it in the near future</strong>. You can do this two ways: move it into the past, or move it to the future.</p><ul><li><p><strong>Into the past: do it.</strong> Drink the water, turn off the stove, send the email. There&#8217;s no need to keep context about a task completed.</p></li><li><p><strong>Into the future: schedule it.</strong> Move it to a defined point ahead of you - a specific time, place, or trigger. There's no need to keep context about a task your brain knows is set for later.</p></li></ul><p>A <a href="https://doi.org/10.1037/a0024192">2011 study by Masicampo and Baumeister</a> tested this directly. They had people write about important unfinished tasks, then read a novel. The people with unfinished tasks had more intrusive thoughts and worse comprehension - <em>until</em> they were asked to make a specific plan for handling the task.</p><p>That's what a system is for.</p><h2>You need a system to move things out of your head</h2>
      <p>
          <a href="https://www.brainhealthdecoded.com/p/your-brain-isnt-a-to-do-list-stop">
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   ]]></content:encoded></item><item><title><![CDATA[How to Use Breathing to Control Your Emotions (The Neuroscience of Interoception)]]></title><description><![CDATA[A guide to reset your nervous system in 5 minutes]]></description><link>https://www.brainhealthdecoded.com/p/how-to-use-breathing-to-control-your</link><guid isPermaLink="false">https://www.brainhealthdecoded.com/p/how-to-use-breathing-to-control-your</guid><dc:creator><![CDATA[Dr. Dominic Ng]]></dc:creator><pubDate>Tue, 21 Apr 2026 15:07:09 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!S4Qd!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F25432583-f498-40a3-bf71-3bf3e0977de8_2816x1536.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="https://substackcdn.com/image/fetch/$s_!S4Qd!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F25432583-f498-40a3-bf71-3bf3e0977de8_2816x1536.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="https://substackcdn.com/image/fetch/$s_!S4Qd!,w_424,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F25432583-f498-40a3-bf71-3bf3e0977de8_2816x1536.png 424w, https://substackcdn.com/image/fetch/$s_!S4Qd!,w_848,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F25432583-f498-40a3-bf71-3bf3e0977de8_2816x1536.png 848w, https://substackcdn.com/image/fetch/$s_!S4Qd!,w_1272,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F25432583-f498-40a3-bf71-3bf3e0977de8_2816x1536.png 1272w, https://substackcdn.com/image/fetch/$s_!S4Qd!,w_1456,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F25432583-f498-40a3-bf71-3bf3e0977de8_2816x1536.png 1456w" sizes="100vw"><img src="https://substackcdn.com/image/fetch/$s_!S4Qd!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F25432583-f498-40a3-bf71-3bf3e0977de8_2816x1536.png" width="538" height="293.3873626373626" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/25432583-f498-40a3-bf71-3bf3e0977de8_2816x1536.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:794,&quot;width&quot;:1456,&quot;resizeWidth&quot;:538,&quot;bytes&quot;:7206916,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:true,&quot;internalRedirect&quot;:&quot;https://www.brainhealthdecoded.com/i/194900602?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F25432583-f498-40a3-bf71-3bf3e0977de8_2816x1536.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="https://substackcdn.com/image/fetch/$s_!S4Qd!,w_424,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F25432583-f498-40a3-bf71-3bf3e0977de8_2816x1536.png 424w, https://substackcdn.com/image/fetch/$s_!S4Qd!,w_848,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F25432583-f498-40a3-bf71-3bf3e0977de8_2816x1536.png 848w, https://substackcdn.com/image/fetch/$s_!S4Qd!,w_1272,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F25432583-f498-40a3-bf71-3bf3e0977de8_2816x1536.png 1272w, https://substackcdn.com/image/fetch/$s_!S4Qd!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F25432583-f498-40a3-bf71-3bf3e0977de8_2816x1536.png 1456w" sizes="100vw" fetchpriority="high"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg role="img" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><title></title><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>Breathing matters more than you think.</p><p>And I know saying it out loud makes me 'that person' - the one who implies that whatever's weighing on you could probably be sorted with a well-timed inhale and a long exhale on a count of seven. </p><p>But whether you notice or not, your breath is always up to something. When you're stressed it goes shallow. When you're anxious it speeds up. When you're bracing for something difficult it might even stop altogether for a second without you noticing.</p><p>And it's not just your breath - ask yourself this:</p><ul><li><p>Is your jaw clenched?</p></li><li><p>Are you holding your stomach tight?</p></li><li><p>Are your shoulders hunched up around your ears?</p></li><li><p>Are your hands tense, or your toes curled in your shoes?</p></li></ul><p>Chances are at least one of those is true right now. And the usual explanation is top-down: you're stressed, so your brain sends signals that clench your jaw and hunch your shoulders. So fix the mind, and the body will follow.</p><p>Except it also runs the other way. Your brain is constantly reading your body to work out how you feel - checking in with your jaw, your stomach, your breath, and assembling a verdict from what it finds. Which means the tight shoulders aren't just a symptom of feeling anxious. They're part of the evidence your brain is using to decide you <em>are</em> anxious.</p><h2>How you feel = body signals + context</h2><p>There's a <a href="https://sanlab.psych.ucla.edu/wp-content/uploads/sites/31/2016/03/Dutton-Aron-1974-arousal.pdf">famous study</a> where researchers had men cross one of two bridges over a canyon - one high and wobbly, the other low and stable. At the other end, a woman stopped each of them, asked a few questions, and gave them her number. </p><p>What they found was a bit strange. <strong>The men who'd crossed the scary bridge rated her as more attractive than the men from the stable bridge did</strong>.<strong> </strong></p><p>Why? Because your brain doesn't actually have direct access to the world. It's constantly trying to work out what's going on out there, using whatever signals it can get - and the state of your body is one of the biggest of those signals. So:</p><ul><li><p>High heart rate + wobbly bridge = fear</p></li><li><p>High heart rate + woman at the end of the bridge = attraction</p></li></ul><p>And it works the other way too. Beta-blockers are drugs that slow your heart rate AND also have been found to <a href="https://pubmed.ncbi.nlm.nih.gov/6129674/">reliably take the edge off</a> stage fright in musicians and public speakers:</p><ul><li><p>High heart rate + big audience = anxiety</p></li><li><p>Slower heart rate + big audience = calm</p></li></ul><h2>Practical Ways to Use This</h2><p>The point of this is to understand that every difficult feeling is now a two-part question instead of one. Not just <em>what&#8217;s wrong?</em> - but <em>what&#8217;s my body doing, and what has my brain decided that means?</em></p><p>A few ways to do that:</p>
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   ]]></content:encoded></item><item><title><![CDATA[How To Manage Your Calendar Using One Simple Habit]]></title><description><![CDATA[For people who are busy all day but end the day feeling they have nothing to show for it]]></description><link>https://www.brainhealthdecoded.com/p/how-to-manage-your-calendar-using</link><guid isPermaLink="false">https://www.brainhealthdecoded.com/p/how-to-manage-your-calendar-using</guid><dc:creator><![CDATA[Dr. Dominic Ng]]></dc:creator><pubDate>Tue, 14 Apr 2026 20:53:07 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!BQlK!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F01bf7018-22d2-49ca-b10e-a2308befcba9_2816x1536.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="https://substackcdn.com/image/fetch/$s_!BQlK!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F01bf7018-22d2-49ca-b10e-a2308befcba9_2816x1536.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="https://substackcdn.com/image/fetch/$s_!BQlK!,w_424,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F01bf7018-22d2-49ca-b10e-a2308befcba9_2816x1536.png 424w, https://substackcdn.com/image/fetch/$s_!BQlK!,w_848,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F01bf7018-22d2-49ca-b10e-a2308befcba9_2816x1536.png 848w, https://substackcdn.com/image/fetch/$s_!BQlK!,w_1272,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F01bf7018-22d2-49ca-b10e-a2308befcba9_2816x1536.png 1272w, https://substackcdn.com/image/fetch/$s_!BQlK!,w_1456,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F01bf7018-22d2-49ca-b10e-a2308befcba9_2816x1536.png 1456w" sizes="100vw"><img src="https://substackcdn.com/image/fetch/$s_!BQlK!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F01bf7018-22d2-49ca-b10e-a2308befcba9_2816x1536.png" width="613" height="334.2870879120879" 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srcset="https://substackcdn.com/image/fetch/$s_!BQlK!,w_424,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F01bf7018-22d2-49ca-b10e-a2308befcba9_2816x1536.png 424w, https://substackcdn.com/image/fetch/$s_!BQlK!,w_848,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F01bf7018-22d2-49ca-b10e-a2308befcba9_2816x1536.png 848w, https://substackcdn.com/image/fetch/$s_!BQlK!,w_1272,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F01bf7018-22d2-49ca-b10e-a2308befcba9_2816x1536.png 1272w, https://substackcdn.com/image/fetch/$s_!BQlK!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F01bf7018-22d2-49ca-b10e-a2308befcba9_2816x1536.png 1456w" sizes="100vw" fetchpriority="high"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg role="img" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><title></title><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>You had a busy day. You hit inbox zero, skipped lunch, and were in back-to-back meetings from 9 to 5. Objectively, you were busy all day. But then it&#8217;s evening, someone asks how your day went, and you can&#8217;t name one thing you actually finished.</p><p>This is what a normal day looks like for most people, and it happens because most of us spend almost all of our working hours reacting to other people - their emails, their requests, their meetings, their deadlines. Leaving us with no time for the work we actually wanted to do.</p><h2>Being more organised isn&#8217;t the answer.</h2><p>The natural response to this is to try and get more organised. You download Todoist or Notion. You read a productivity book. You set up filters in Gmail, write a long to-do list, start doing a weekly review on Sundays. The theory is that if you could just process everything faster and cleaner, there&#8217;d be time left at the end for your own work.</p><p>But here&#8217;s the thing about the day-to-day stuff - <strong>it never ends</strong>. </p><p>Emails are infinite. There will always be more of them. Your teammates will always have more questions, more requests, more meetings they want to schedule. Getting to inbox zero isn&#8217;t actually a destination, it&#8217;s a momentary state that lasts about forty seconds.</p><p>The truth is you can become the most organised person on your team, and all you&#8217;ll have done is made yourself better at processing an endless stream of other people&#8217;s needs.</p><h2>So what&#8217;s actually going on</h2><p>The actual problem is the work culture we operating inside treats constant availability as the definition of doing your job well, and that&#8217;s what&#8217;s filling up your day.</p><p>Replying to an email within ten minutes is treated as professionalism. Accepting every meeting is treated as being a team player. Being reachable on Slack all day is treated as being engaged. Saying yes to a &#8220;quick call&#8221; is treated as being helpful. </p><p>None of these things are your actual work, but all of them are how your performance gets read by the people around you. So you do them. And by the time you&#8217;ve done enough of them to look like a good employee, the day is gone.</p><h2>There&#8217;s a way out of this</h2><p>The good news is you don&#8217;t have to overhaul your job, quit Slack, or become a monk in the woods. You just need a small daily system that puts your priorities back in front of other people&#8217;s - and it takes about ten minutes to do.</p>
      <p>
          <a href="https://www.brainhealthdecoded.com/p/how-to-manage-your-calendar-using">
              Read more
          </a>
      </p>
   ]]></content:encoded></item><item><title><![CDATA[Why Life Seems to Speed Up as We Age (The Neuroscience of Time Compression)]]></title><description><![CDATA[And what to do about it.]]></description><link>https://www.brainhealthdecoded.com/p/why-life-seems-to-speed-up-as-we</link><guid isPermaLink="false">https://www.brainhealthdecoded.com/p/why-life-seems-to-speed-up-as-we</guid><dc:creator><![CDATA[Dr. Dominic Ng]]></dc:creator><pubDate>Tue, 07 Apr 2026 21:44:16 GMT</pubDate><enclosure url="https://images.unsplash.com/photo-1496086278971-a39dad3a228f?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHwxfHxtb3Rpb24lMjBibHVyfGVufDB8fHx8MTc3NTU5NTgyNXww&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="https://images.unsplash.com/photo-1496086278971-a39dad3a228f?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHwxfHxtb3Rpb24lMjBibHVyfGVufDB8fHx8MTc3NTU5NTgyNXww&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="https://images.unsplash.com/photo-1496086278971-a39dad3a228f?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHwxfHxtb3Rpb24lMjBibHVyfGVufDB8fHx8MTc3NTU5NTgyNXww&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080 424w, https://images.unsplash.com/photo-1496086278971-a39dad3a228f?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHwxfHxtb3Rpb24lMjBibHVyfGVufDB8fHx8MTc3NTU5NTgyNXww&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080 848w, https://images.unsplash.com/photo-1496086278971-a39dad3a228f?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHwxfHxtb3Rpb24lMjBibHVyfGVufDB8fHx8MTc3NTU5NTgyNXww&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080 1272w, https://images.unsplash.com/photo-1496086278971-a39dad3a228f?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHwxfHxtb3Rpb24lMjBibHVyfGVufDB8fHx8MTc3NTU5NTgyNXww&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080 1456w" sizes="100vw"><img src="https://images.unsplash.com/photo-1496086278971-a39dad3a228f?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHwxfHxtb3Rpb24lMjBibHVyfGVufDB8fHx8MTc3NTU5NTgyNXww&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080" width="619" height="348.1711139347734" 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srcset="https://images.unsplash.com/photo-1496086278971-a39dad3a228f?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHwxfHxtb3Rpb24lMjBibHVyfGVufDB8fHx8MTc3NTU5NTgyNXww&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080 424w, https://images.unsplash.com/photo-1496086278971-a39dad3a228f?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHwxfHxtb3Rpb24lMjBibHVyfGVufDB8fHx8MTc3NTU5NTgyNXww&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080 848w, https://images.unsplash.com/photo-1496086278971-a39dad3a228f?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHwxfHxtb3Rpb24lMjBibHVyfGVufDB8fHx8MTc3NTU5NTgyNXww&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080 1272w, https://images.unsplash.com/photo-1496086278971-a39dad3a228f?crop=entropy&amp;cs=tinysrgb&amp;fit=max&amp;fm=jpg&amp;ixid=M3wzMDAzMzh8MHwxfHNlYXJjaHwxfHxtb3Rpb24lMjBibHVyfGVufDB8fHx8MTc3NTU5NTgyNXww&amp;ixlib=rb-4.1.0&amp;q=80&amp;w=1080 1456w" sizes="100vw" fetchpriority="high"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg role="img" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><title></title><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a><figcaption class="image-caption">Photo by <a href="https://unsplash.com/@hannahcauhepe">hannah cauhepe</a> on <a href="https://unsplash.com">Unsplash</a></figcaption></figure></div><p>When you were a kid, time moved slowly. An afternoon could stretch out long enough to feel like a whole day. Waiting for your birthday took so long it almost felt like it might not come.</p><p>Now you blink and it&#8217;s October. Then you blink again and somehow it&#8217;s April. Most people assume this is inevitable - just what happens when you get older. But actually the speed of your years has less to do with age and more to do with how you spend your attention.</p><div class="subscription-widget-wrap-editor" data-attrs="{&quot;url&quot;:&quot;https://www.brainhealthdecoded.com/subscribe?&quot;,&quot;text&quot;:&quot;Subscribe&quot;,&quot;language&quot;:&quot;en&quot;}" data-component-name="SubscribeWidgetToDOM"><div class="subscription-widget show-subscribe"><div class="preamble"><p class="cta-caption">I&#8217;m a neuroscientist sharing ways to improve cognitive performance and build a healthier brain. </p></div><form class="subscription-widget-subscribe"><input type="email" class="email-input" name="email" placeholder="Type your email&#8230;" tabindex="-1"><input type="submit" class="button primary" value="Subscribe"><div class="fake-input-wrapper"><div class="fake-input"></div><div class="fake-button"></div></div></form></div></div><h2>Why &#8220;You&#8217;re Just Getting Older&#8221; Isn&#8217;t the Answer</h2><p>Most people have an intuitive explanation for why this happens: when you&#8217;re five, a year is a huge chunk of your life. When you&#8217;re fifty, it&#8217;s a tiny one. So of course each year feels smaller as you go.</p><p>This makes immediate sense. It&#8217;s also wrong.</p><p>Because if this were the full story, your clearest memories would be from when you were two, not twenty. And every year after that would feel a little shorter than the last.</p><p>But that&#8217;s not what researchers find. People over 40 <a href="https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0208595">consistently recall the most memories from ages 10 to 30</a> - a sharp spike in young adulthood, not early childhood. If time perception were purely about age, your toddler years would stand out the most. They don&#8217;t.</p><p>So what actually determines whether a period of your life feels long or short?</p><h4><strong>1. New experiences make time feel longer</strong></h4><p>Your brain only bothers to <a href="https://pmc.ncbi.nlm.nih.gov/articles/PMC6629464/">record things it hasn&#8217;t seen before</a>. A child&#8217;s first years are packed with memory because everything is new. But the same effect shows up in adults - your first month in a new city <a href="https://www.psychologytoday.com/us/blog/sense-of-time/202401/how-to-subjectively-expand-our-lifetime">feels longer than the next six months</a> there. Once your days start repeating - same commute, same lunch, same evening - the brain stops paying attention, and whole months become a blur.</p><h4><strong>2. Strong emotions make memories stick</strong></h4><p><a href="https://pmc.ncbi.nlm.nih.gov/articles/PMC2949536/">Emotion tells your brain which experiences to keep</a>. Events that make you feel something get stored more strongly than ones that don&#8217;t - which is why you remember your wedding day but not the Tuesday before it. Grief, wonder, risk, falling in love - these all leave deep marks. This is what kids have by default. The world is enormous and strange and they haven&#8217;t gotten used to any of it yet.</p><h4><strong>3. You have to be present to record anything</strong></h4><p>If you're distracted when something happens, your brain doesn't bother saving it. You might have technically been there, but nothing got recorded. <a href="https://www.sciencedirect.com/science/article/abs/pii/S0749596X1930021X">Studies</a> show people who regularly split their attention across screens have this happen more often. This matters because the number of memories you have from a period of your life is <a href="https://www.sciencedirect.com/science/article/abs/pii/S0001691818302014">how your brain estimates how long that period lasted</a>. Fewer memories means the time feels shorter.</p><h2>How to Get Your Time Back</h2><p>Most people assume the solution is a bigger life - more travel, more novelty, more stimulation. But it&#8217;s not about doing more. It&#8217;s about whether you&#8217;re actually present for the life you already have.</p><ul><li><p><strong>Count your remaining times. </strong>You'll probably visit your hometown another 10 or 20 times in your life. You'll have maybe 30 more summers. When you put a number on something you assumed was infinite, your brain stops treating it as background noise.</p></li><li><p><strong>Seek awe.</strong> Watch a storm. Look up at something tall. When your brain hits something it can&#8217;t immediately understand, it <a href="https://www.sciencedirect.com/science/article/pii/S0001691824001094">slows down and pays closer attention</a>.</p></li><li><p><strong>Protect your attention.</strong> Put your phone in another room. Watch the show or scroll - not both. Your brain only saves what you&#8217;re actually paying attention to. Split attention means lost time.</p></li><li><p><strong>Use your body.</strong> Taste your food. Feel the surface under your hands. Notice the temperature of the air. Sensory experience is the shortest path back to the present moment.</p></li></ul><h2>Bottom Line</h2><p>When you were a kid, nobody had to tell you to pay attention. The world was loud and strange and you couldn&#8217;t look away from it. That hasn&#8217;t changed. The world is still enormous. You just got used to it.</p>]]></content:encoded></item><item><title><![CDATA[How to Find Your Purpose]]></title><description><![CDATA[A practical guide to figuring out what to do with your life]]></description><link>https://www.brainhealthdecoded.com/p/how-to-find-your-purpose</link><guid isPermaLink="false">https://www.brainhealthdecoded.com/p/how-to-find-your-purpose</guid><dc:creator><![CDATA[Dr. Dominic Ng]]></dc:creator><pubDate>Tue, 31 Mar 2026 18:56:09 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!pBGL!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F67e187e5-6b06-467a-9e9e-064e09e0245b_2240x1260.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="https://substackcdn.com/image/fetch/$s_!pBGL!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F67e187e5-6b06-467a-9e9e-064e09e0245b_2240x1260.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="https://substackcdn.com/image/fetch/$s_!pBGL!,w_424,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F67e187e5-6b06-467a-9e9e-064e09e0245b_2240x1260.png 424w, https://substackcdn.com/image/fetch/$s_!pBGL!,w_848,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F67e187e5-6b06-467a-9e9e-064e09e0245b_2240x1260.png 848w, https://substackcdn.com/image/fetch/$s_!pBGL!,w_1272,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F67e187e5-6b06-467a-9e9e-064e09e0245b_2240x1260.png 1272w, https://substackcdn.com/image/fetch/$s_!pBGL!,w_1456,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F67e187e5-6b06-467a-9e9e-064e09e0245b_2240x1260.png 1456w" sizes="100vw"><img src="https://substackcdn.com/image/fetch/$s_!pBGL!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F67e187e5-6b06-467a-9e9e-064e09e0245b_2240x1260.png" width="655" height="368.4375" 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class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg role="img" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><title></title><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>&#8220;What should I do with my life?&#8221;</p><p>You&#8217;ve probably asked yourself this more than once. You might have even found an answer. Maybe several. But none of them stuck in the way you expected them to. </p><p>That&#8217;s because the question comes with a hidden assumption: that there&#8217;s one thing out there with your name on it, and once you find it, you can reverse-engineer how to get there. </p><p>Pick the destination, map the route, execute.</p><p>And that makes sense. Because surely that&#8217;s how you got to where you are today? You can look back right now and trace the line. You picked that subject, which led to that opportunity, which introduced you to that person, which led to the job, which led to here. </p><p>So obviously the move is to do that again, but on purpose this time. Right?</p><h3>Your Brain Builds the Story Backward, And You Mistake it For A Plan</h3><p>The problem is that clean line you see when you look back? It didn&#8217;t exist while you were living it. You didn&#8217;t experience those years as a sequence of deliberate, connected choices. You experienced them as a series of &#8220;I guess I&#8217;ll try this,&#8221; and &#8220;well that didn&#8217;t work,&#8221; and &#8220;huh, this is interesting.&#8221;</p><p>Your brain just took all of that mess, edited out the dead ends, and presented you with a highlight reel that <em>feels</em> like intention.</p><p>You can actually measure how wrong we get this:</p><ul><li><p>When 19,000 people were asked to predict how much their personality, values, and preferences would change over the next decade, <a href="https://www.science.org/doi/abs/10.1126/science.1229294">every age group thought they'd change far less than they actually did</a>.</p></li><li><p>Only <a href="https://www.newyorkfed.org/medialibrary/media/research/staff_reports/sr587.pd">27% of college graduates</a> work in a job related to their major.</p></li><li><p>The average person holds <a href="https://www.bls.gov/news.release/pdf/nlsoy.pdf">12 jobs over their lifetime</a> and changes careers entirely 5 to 7 times.</p></li><li><p><a href="https://www.apollotechnical.com/career-change-statistics/">53% of workers</a> use half or less of their education in their current job - 15% use none of it.</p></li></ul><p>This is what your brain does. It makes meaning backward. And it&#8217;s good at it - so good that the story it tells feels like it was always the plan. You look at the path behind you and think <em>I chose this</em>. But mostly, you stumbled into it and your brain cleaned it up later.</p><p>And this is precisely why &#8220;what should I do with my life?&#8221; is such a suffocating question. You&#8217;re trying to write the retrospective story before you&#8217;ve lived it - to see the path forward with the same clarity you have looking back.</p><p>Which raises an obvious question: if not a plan, then what?</p><h3>You Don't Need a Blueprint. You Need a Garden</h3><p>Think about how a garden actually works. A gardener prepares the soil, chooses what to plant, waters it - and then they&#8217;re in a negotiation with forces they don&#8217;t control. The light is what it is. The soil has its own chemistry. Some things take and some don&#8217;t.</p><p>What separates a good gardener from someone who just follows the instructions on the seed packet? They watch. They notice the thing in the corner that&#8217;s thriving despite being neglected, and the thing front and centre that&#8217;s failing despite all the attention. Then they act on what they see instead of what they planned. They move the thriving thing into better light. They pull out the failing thing even though they already paid for it.</p><p>Take Stewart Butterfield. He spent years trying to build a massive multiplayer online game. It flopped. But during development, his team had built a small internal tool to communicate with each other.</p><p>That tool became <a href="https://slack.com/intl/en-gb">Slack</a> - a billion dollar company.</p><p>The crazy thing is he&#8217;d done this before. Years earlier, Stewart Butterfield&#8217;s first attempt at a multiplayer game also failed - but the photo-sharing tool the team built on the side became <a href="https://www.flickr.com">Flickr</a>.</p><p>He didn't get there by following a plan. He found it by paying attention to what was actually working while the thing he'd planned was dying.</p><h2>So what can I actually do?</h2><p>I've spent a long time looking at the research on this - how people end up in work they love, what they actually did to get there. It comes down to four things.</p>
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   ]]></content:encoded></item><item><title><![CDATA[How To Remember Everything You Learn]]></title><description><![CDATA[A Neuroscientist's Guide to Actually Retaining Information]]></description><link>https://www.brainhealthdecoded.com/p/how-to-remember-everything-you-learn</link><guid isPermaLink="false">https://www.brainhealthdecoded.com/p/how-to-remember-everything-you-learn</guid><dc:creator><![CDATA[Dr. Dominic Ng]]></dc:creator><pubDate>Tue, 24 Mar 2026 21:33:53 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!MjpA!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F08103fbd-228e-495e-b578-7a0ee49ef98b_1456x816.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="https://substackcdn.com/image/fetch/$s_!MjpA!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F08103fbd-228e-495e-b578-7a0ee49ef98b_1456x816.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="https://substackcdn.com/image/fetch/$s_!MjpA!,w_424,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F08103fbd-228e-495e-b578-7a0ee49ef98b_1456x816.png 424w, https://substackcdn.com/image/fetch/$s_!MjpA!,w_848,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F08103fbd-228e-495e-b578-7a0ee49ef98b_1456x816.png 848w, https://substackcdn.com/image/fetch/$s_!MjpA!,w_1272,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F08103fbd-228e-495e-b578-7a0ee49ef98b_1456x816.png 1272w, https://substackcdn.com/image/fetch/$s_!MjpA!,w_1456,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F08103fbd-228e-495e-b578-7a0ee49ef98b_1456x816.png 1456w" sizes="100vw"><img src="https://substackcdn.com/image/fetch/$s_!MjpA!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F08103fbd-228e-495e-b578-7a0ee49ef98b_1456x816.png" width="599" height="335.7032967032967" 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srcset="https://substackcdn.com/image/fetch/$s_!MjpA!,w_424,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F08103fbd-228e-495e-b578-7a0ee49ef98b_1456x816.png 424w, https://substackcdn.com/image/fetch/$s_!MjpA!,w_848,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F08103fbd-228e-495e-b578-7a0ee49ef98b_1456x816.png 848w, https://substackcdn.com/image/fetch/$s_!MjpA!,w_1272,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F08103fbd-228e-495e-b578-7a0ee49ef98b_1456x816.png 1272w, https://substackcdn.com/image/fetch/$s_!MjpA!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F08103fbd-228e-495e-b578-7a0ee49ef98b_1456x816.png 1456w" sizes="100vw" fetchpriority="high"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg role="img" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><title></title><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>We have access to more information than any generation in history - and yet most people can&#8217;t recall a single insight from the last podcast they listened to.</p><p>That&#8217;s because <strong>we&#8217;ve optimised for consumption, not learning. </strong></p><p>Double-speed podcasts, half-attention TED talks, highlighted paragraphs we never revisit - we treat learning like a volume game. It isn&#8217;t. And the reason comes down to three myths.</p><div class="subscription-widget-wrap-editor" data-attrs="{&quot;url&quot;:&quot;https://www.brainhealthdecoded.com/subscribe?&quot;,&quot;text&quot;:&quot;Subscribe&quot;,&quot;language&quot;:&quot;en&quot;}" data-component-name="SubscribeWidgetToDOM"><div class="subscription-widget show-subscribe"><div class="preamble"><p class="cta-caption">I&#8217;m a neuroscientist turning peer-reviewed findings into simple, weekly actions to improve cognition and brain health.</p></div><form class="subscription-widget-subscribe"><input type="email" class="email-input" name="email" placeholder="Type your email&#8230;" tabindex="-1"><input type="submit" class="button primary" value="Subscribe"><div class="fake-input-wrapper"><div class="fake-input"></div><div class="fake-button"></div></div></form></div></div><h3>Myth #1: 3x Speed = 3x Knowledge</h3><p>Every piece of learning involves two distinct stages: <strong>consumption</strong> (encoding new information) and <strong>digestion</strong> (consolidating it into long-term memory). </p><p>When new information enters your brain, your hippocampus creates a fragile, temporary trace - like dragging a stick through wet sand on the beach. For that trace to become a real memory, your brain needs a consolidation window: a period of rest where it replays the trace, strengthens the neural connections, and integrates it into your long-term cortical networks. </p><p>The trouble is most people never stop to digest. </p><p>The information was technically in front of their eyes, but their brain never got a chance to <em>do</em> anything with it. It&#8217;s the <strong>learning equivalent of writing paragraph after paragraph in wet sand, never noticing the waves washing each one away behind you.</strong></p><h3>Myth #2: You Need to Master the Foundations First</h3><p>The belief that you should remember everything you read is based on how children learn - not adults.</p><ul><li><p><strong>Children start from nothing.</strong> They have almost no prior knowledge, so every piece of information must be built from scratch through brute-force memorisation and repetition.</p></li><li><p><strong>Adults are the opposite</strong> - your brain already contains rich networks of knowledge, so it processes new information by asking <em>"what do I already know that relates to this?"</em> and integrating it into existing frameworks</p></li></ul><p>Researchers call this &#8220;<a href="https://www.tandfonline.com/doi/full/10.1080/00461520.2021.1939700">top-down plausibility-driven processing</a>&#8221;. In plain English: your brain uses what it already knows to make sense of what it doesn&#8217;t. </p><p>In practice, this means <strong>stop trying to memorise what you read and start trying to </strong><em><strong>connect</strong></em><strong> it</strong>. Ask "what do I already know that relates to this?" - and let your existing knowledge do the heavy lifting.</p><h3><strong>Myth #3: All Information Should Be Studied The Same Way</strong></h3><p>Your brain doesn&#8217;t have one memory system - it has several, and they each need different strategies.</p><ul><li><p><strong>Procedural knowledge</strong> - how to do things - requires practice, not study. Reading about suturing won&#8217;t make you a surgeon.</p></li><li><p><strong>Conceptual knowledge</strong> - ideas and frameworks - requires active processing. Your brain needs to wrestle with new concepts, question them, and map them against what you already know.</p></li><li><p><strong>Isolated facts</strong> - dates, names, constants - require engineered retrieval. They have no conceptual anchor, which is exactly why spaced repetition and flashcards exist.</p></li></ul><p>Most people never make this distinction. They default to one study habit and apply it to everything</p><h2>What to Do Instead</h2><p>Most people treat their brain like a container. Pour information in, hope it stays. But your brain isn&#8217;t a container - it&#8217;s a processor, and it processes different inputs through completely different hardware.</p><p>Below is a system built around how your memory actually works.</p><h3><strong>Step 1: Process Everything Before You Move On</strong></h3><p>Everything that follows is useless if you skip this step - and almost everyone does.</p><p>If you read something and don&#8217;t process it, you <em>will</em> forget it because <strong>unprocessed information disappears. </strong>So every time you read something, process it before you keep reading:</p><ul><li><p>Hit a skill you can't practise right now? Close the book and go attempt it. </p></li><li><p>Encounter a concept you can't explain back? Pause and explain it out loud until you can. </p></li><li><p>Come across a fact you'll need later? Put it in a flashcard before you read another word.</p></li></ul><p>Yes, this means you will get through less material per session. But you&#8217;ll actually <strong>remember what you read</strong> - which is the entire point.</p><p>So how do you process it? That depends on what type of knowledge you&#8217;re looking at.</p><h3>Step 2: Identify What Type of Knowledge You're Looking At</h3><p>This depends on your situation. Are you learning something because you want to - or because you have to?</p><h4><strong>If you&#8217;re learning by choice: learn only what you need.</strong></h4><p>Say you want to get good at cooking. </p><p>Rather than working through a fundamentals course - knife skills, mother sauces, flavour profiles - before you ever make dinner, just pick a dish you want to eat and try to make it. </p><p>You'll quickly discover your actual 'curriculum' is:</p><ul><li><p>How to dice an onion &#8594; that&#8217;s a <strong>skill</strong></p></li><li><p>What &#8220;deglaze&#8221; means &#8594; that&#8217;s a <strong>concept</strong></p></li><li><p>What &#8220;simmer&#8221; actually looks like versus a boil &#8594; that&#8217;s a <strong>skill</strong></p></li></ul><p>In essence, <strong>try the thing first and let the walls you face tell you what to learn</strong>. Everything else is pre-studying an entire field to avoid a ten-minute problem. </p><h4>If you're following a curriculum: sort the material as you go.</h4><p>Sometimes you don't get to choose what to learn. You have a textbook, a course, an exam syllabus - and the content is already decided for you.</p><p>Instead, as you work through the material, actively sort what you&#8217;re encountering into buckets. Example: take a single page from an economics textbook on inflation:</p><ul><li><p><em>&#8220;Inflation is the rate at which the general price level rises over time&#8221;</em> - that&#8217;s a <strong>fact</strong>. A definition. There&#8217;s nothing to reason through, you just need to know it. </p><ul><li><p>Flag it for flashcards.</p></li></ul></li><li><p><em>&#8220;Demand-pull inflation occurs when aggregate demand outpaces supply, bidding prices up&#8221;</em> - that&#8217;s a <strong>concept</strong>. There&#8217;s a causal mechanism you can explain, question, and connect to things you already understand about scarcity and competition.</p><ul><li><p>Flag it for deep processing.</p></li></ul></li><li><p><em>&#8220;Calculate the inflation rate given the following CPI data&#8221;</em> - that&#8217;s a <strong>skill</strong>. No amount of re-reading the formula will build it. </p><ul><li><p>Flag it for practice problems.</p></li></ul></li></ul><h3>Step 3: Match the Strategy to the Type</h3><h4><strong>If it&#8217;s a Skill:</strong></h4><ul><li><p><strong>Try it before you study it.</strong> Attempt the chord before the tutorial, write the function before reading the documentation. Students who struggled with problems before being taught the solution <a href="https://journals.sagepub.com/doi/10.3102/00346543211019105">scored up to 3x better</a> than those taught the traditional way.</p></li><li><p><strong>Watch one tutorial per problem, not a playlist.</strong> The moment you start bingeing tutorials, you've switched from learning a skill to consuming content about a skill.</p></li><li><p><strong>20 minutes daily beats 2 hours on Saturday.</strong> Learning happens <em>between</em> sessions, when your brain replays and strengthens what you practised. Five short sessions give your brain five nights of consolidation; one long session gives it one.</p></li><li><p><strong>Stop before you get sloppy.</strong> Your brain can't tell the difference between <a href="https://elifesciences.org/articles/40578">a good rep and a tired, messy one</a> - it just saves whatever you repeat.</p></li></ul><h4><strong>If it&#8217;s a Concept:</strong></h4><ul><li><p><strong>Ask &#8220;why does this work?&#8221; before you ask &#8220;what is this?&#8221;</strong> Students who paused to ask &#8220;why&#8221; while reading a biology textbook <a href="https://www.uwlax.edu/catl/guides/teaching-improvement-guide/how-can-i-improve/elaborative-interrogation/">scored 76% on the follow-up test versus 69%</a> for students who read the same passage their own way. </p></li><li><p><strong>Explain it out loud to someone who isn&#8217;t there.</strong> After you read a chapter or finish a lecture, open a voice memo and explain the concept as if you&#8217;re teaching a friend who knows nothing. If you get stuck then go back and try to learn that bit specifically. </p></li><li><p><strong><a href="https://onlinelibrary.wiley.com/doi/abs/10.1111/mbe.12279">Use an analogy you build yourself.</a></strong> Your brain learns new concepts by attaching them to things it already understands. So try to force that connection.</p><ul><li><p>Then stress-test it: in what ways does the analogy hold? Where does it break down? This all helps build a deeper understanding of the concept you&#8217;re trying to learn.</p></li></ul></li><li><p><strong><a href="https://www.pnas.org/doi/10.1073/pnas.1821936116">When you revisit something, explain it from scratch - never just re-read it.</a> </strong>Your brain mistakes familiarity for understanding, so the only honest test is whether you can explain it from scratch without looking.</p></li></ul><h4><strong>If it&#8217;s a Fact:</strong></h4><ul><li><p><strong>Put it in a spaced repetition app (like Anki) and let the algorithm handle the scheduling.</strong> Medical students who used it scored <a href="https://link.springer.com/article/10.1007/s40670-023-01826-8">7&#8211;13% higher across every exam</a>.</p></li><li><p><strong>Make each card atomic.</strong> One card, one fact. If a card starts with &#8220;Explain&#8230;&#8221; or &#8220;Compare&#8230;&#8221;, it&#8217;s a concept - delete it.</p></li><li><p><strong>Don&#8217;t use flashcards for anything else.</strong> They drill isolated facts through brute-force retrieval. That&#8217;s all they do. They won&#8217;t teach you guitar or help you <em>understand</em> monetary policy.</p></li></ul><h2>Bottom Line</h2><p>We live in a culture that celebrates how much you consume. And it's produced a generation of people with ten browser tabs open, a half-finished Coursera course, and a vague sense that they used to be better at concentrating.</p><p>Slow down.</p><p>Your brain is extraordinary at learning - you just have to give it the chance to.</p><div><hr></div><p><em>If you found this useful, these two are where I'd go next:</em></p><p><em>&#8594; <a href="https://www.brainhealthdecoded.com/p/how-to-stop-wasting-your-life">How to Stop Wasting Your Life</a></em></p><p><em>&#8594; <a href="https://www.brainhealthdecoded.com/p/how-to-stop-wasting-your-eveningshttps://www.brainhealthdecoded.com/p/how-to-stop-wasting-your-evenings">How to Stop Wasting Your Evenings (The Neuroscience of Post-Work Fatigue)</a></em></p>]]></content:encoded></item><item><title><![CDATA[How to enter 'flow state' on command]]></title><description><![CDATA[The neuroscience of deep focus, and a practical system for triggering it]]></description><link>https://www.brainhealthdecoded.com/p/how-to-enter-flow-state-on-command</link><guid isPermaLink="false">https://www.brainhealthdecoded.com/p/how-to-enter-flow-state-on-command</guid><dc:creator><![CDATA[Dr. Dominic Ng]]></dc:creator><pubDate>Tue, 17 Mar 2026 20:39:36 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!TPwS!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff73676ef-7867-40cf-83d1-7e301841fcb4_2816x1536.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="https://substackcdn.com/image/fetch/$s_!TPwS!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff73676ef-7867-40cf-83d1-7e301841fcb4_2816x1536.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="https://substackcdn.com/image/fetch/$s_!TPwS!,w_424,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff73676ef-7867-40cf-83d1-7e301841fcb4_2816x1536.png 424w, https://substackcdn.com/image/fetch/$s_!TPwS!,w_848,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff73676ef-7867-40cf-83d1-7e301841fcb4_2816x1536.png 848w, https://substackcdn.com/image/fetch/$s_!TPwS!,w_1272,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff73676ef-7867-40cf-83d1-7e301841fcb4_2816x1536.png 1272w, https://substackcdn.com/image/fetch/$s_!TPwS!,w_1456,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff73676ef-7867-40cf-83d1-7e301841fcb4_2816x1536.png 1456w" sizes="100vw"><img src="https://substackcdn.com/image/fetch/$s_!TPwS!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff73676ef-7867-40cf-83d1-7e301841fcb4_2816x1536.png" width="606" height="330.4697802197802" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/f73676ef-7867-40cf-83d1-7e301841fcb4_2816x1536.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:794,&quot;width&quot;:1456,&quot;resizeWidth&quot;:606,&quot;bytes&quot;:8521376,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:true,&quot;internalRedirect&quot;:&quot;https://www.brainhealthdecoded.com/i/191239656?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff73676ef-7867-40cf-83d1-7e301841fcb4_2816x1536.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="https://substackcdn.com/image/fetch/$s_!TPwS!,w_424,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff73676ef-7867-40cf-83d1-7e301841fcb4_2816x1536.png 424w, https://substackcdn.com/image/fetch/$s_!TPwS!,w_848,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff73676ef-7867-40cf-83d1-7e301841fcb4_2816x1536.png 848w, https://substackcdn.com/image/fetch/$s_!TPwS!,w_1272,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff73676ef-7867-40cf-83d1-7e301841fcb4_2816x1536.png 1272w, https://substackcdn.com/image/fetch/$s_!TPwS!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff73676ef-7867-40cf-83d1-7e301841fcb4_2816x1536.png 1456w" sizes="100vw" fetchpriority="high"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg role="img" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><title></title><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>You sit down to solve a problem, and forty-five minutes later you look up and realise you haven't checked your phone, haven't thought about dinner, haven't noticed the noise outside. The task was objectively difficult, but it didn't feel that way.</p><p>That's flow - and neuroscience can now explain why it happens.</p><h3>Your Brain Detects a Problem Worth Solving</h3><p>Flow starts when you work on a specific type of problem: one that sits in the gap between boring and overwhelming. Too easy and your brain won't bother allocating its best resources. Too hard and it'll trigger anxiety instead of engagement. </p><p>But when the challenge is just beyond what feels comfortable - when you have to stretch but you can see the path - your <strong><a href="https://pmc.ncbi.nlm.nih.gov/articles/PMC2899886/">salience network</a></strong><a href="https://pmc.ncbi.nlm.nih.gov/articles/PMC2899886/"> lights up</a>. That's the part of your brain that decides what deserves your full attention right now. It scans everything competing for your focus, picks a winner, and suppresses the rest.</p><h3>Three Chemical Systems Lock You In</h3><p>Once the salience network fires, your brain then enforces focus chemically:</p><ul><li><p><strong>Norepinephrine</strong> increases the <a href="https://pmc.ncbi.nlm.nih.gov/articles/PMC8678372/">signal-to-noise ratio across your cortex</a>. Whatever is relevant to the task gets amplified. Everything else gets suppressed. This is why you stop noticing hunger, background noise, or the passage of time.</p></li><li><p><strong>Endocannabinoids</strong> dial down your <a href="https://pmc.ncbi.nlm.nih.gov/articles/PMC7511205/">threat-detection system</a> (your amygdala), which is why difficult tasks feel challenging during flow rather than stressful.</p></li><li><p><strong>Dopamine</strong> is why you don't have to force yourself to keep going - you finish one thing and you're already doing the next without deciding to. It also distorts your sense of time and amplifies pattern recognition, which is why <a href="https://www.simonsfoundation.org/2017/01/20/dopamine-cells-influence-our-perception-of-time/">hours vanish</a> and <a href="https://www.sciencedirect.com/science/article/abs/pii/S0149763421000841">solutions come faster than usual</a>.</p></li></ul><h3>The Part of You That Doubts Yourself Goes Quiet</h3><p>Lastly, during periods of high focus the part of your brain that provides internal criticism (medial prefrontal cortex) shows <a href="https://pubmed.ncbi.nlm.nih.gov/15522630/">reduced activity</a>. That means the voice that second-guesses your decisions, tells you you're not good enough, or urges you to stop and reconsider goes quiet. </p><p>You act without overthinking - ideas move straight from insight to execution without passing through a filter of self-doubt.</p><h2>So What Can You Actually Do With This?</h2><p>Flow isn't something you force through willpower. It's a downstream effect - it happens when the right conditions are present. But now that you know what those conditions are, you can deliberately set them up rather than hoping they show up on their own. </p><p>Here's how to set up a session, run it, and learn from it.</p><h3><strong>Before you sit down</strong></h3><h4><strong>1. Pick a Goal You Can Score in Real Time</strong></h4><p>&#8220;Improve the pitch deck&#8221; gives your brain nothing to measure. &#8220;Rewrite slide four so it makes the revenue argument in three bullets&#8221; does - because at every moment you know whether you&#8217;re getting closer. </p><p>Now each bulletpoint you complete is a small dopamine pulse that pulls you into the next action.</p><p>If the task doesn&#8217;t have natural feedback, build some in. A word count. A physical stack - print the pages, move each one from the &#8220;to review&#8221; pile to the &#8220;done&#8221; pile. </p><h4><strong>2. Calibrate the difficulty.</strong> </h4><p>If the task is too easy, your salience network won't fire. Raise the challenge until it cares:</p><ul><li><p><strong>Try to solve the pattern, not just the task at hand</strong>. Can you build the formula that means nobody ever does this spreadsheet again? Could you write a template that handles every future case? Could you draft an FAQ so these emails stop arriving altogether?</p></li></ul>
      <p>
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   ]]></content:encoded></item><item><title><![CDATA[What Burnout Actually Does to Your Brain (The Neuroscience of Chronic Stress)]]></title><description><![CDATA[Why you're tired, reactive, and unmotivated - and how to recover.]]></description><link>https://www.brainhealthdecoded.com/p/what-burnout-actually-does-to-your</link><guid isPermaLink="false">https://www.brainhealthdecoded.com/p/what-burnout-actually-does-to-your</guid><dc:creator><![CDATA[Dr. Dominic Ng]]></dc:creator><pubDate>Tue, 03 Mar 2026 19:25:38 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!ey4r!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fbb41893d-dcd0-4bd3-b31b-a9a678a431eb_2816x1536.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="https://substackcdn.com/image/fetch/$s_!ey4r!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fbb41893d-dcd0-4bd3-b31b-a9a678a431eb_2816x1536.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="https://substackcdn.com/image/fetch/$s_!ey4r!,w_424,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fbb41893d-dcd0-4bd3-b31b-a9a678a431eb_2816x1536.png 424w, https://substackcdn.com/image/fetch/$s_!ey4r!,w_848,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fbb41893d-dcd0-4bd3-b31b-a9a678a431eb_2816x1536.png 848w, https://substackcdn.com/image/fetch/$s_!ey4r!,w_1272,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fbb41893d-dcd0-4bd3-b31b-a9a678a431eb_2816x1536.png 1272w, https://substackcdn.com/image/fetch/$s_!ey4r!,w_1456,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fbb41893d-dcd0-4bd3-b31b-a9a678a431eb_2816x1536.png 1456w" sizes="100vw"><img src="https://substackcdn.com/image/fetch/$s_!ey4r!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fbb41893d-dcd0-4bd3-b31b-a9a678a431eb_2816x1536.png" width="1456" height="794" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/bb41893d-dcd0-4bd3-b31b-a9a678a431eb_2816x1536.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:794,&quot;width&quot;:1456,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:9131466,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:true,&quot;internalRedirect&quot;:&quot;https://www.brainhealthdecoded.com/i/189753265?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fbb41893d-dcd0-4bd3-b31b-a9a678a431eb_2816x1536.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="https://substackcdn.com/image/fetch/$s_!ey4r!,w_424,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fbb41893d-dcd0-4bd3-b31b-a9a678a431eb_2816x1536.png 424w, https://substackcdn.com/image/fetch/$s_!ey4r!,w_848,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fbb41893d-dcd0-4bd3-b31b-a9a678a431eb_2816x1536.png 848w, https://substackcdn.com/image/fetch/$s_!ey4r!,w_1272,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fbb41893d-dcd0-4bd3-b31b-a9a678a431eb_2816x1536.png 1272w, https://substackcdn.com/image/fetch/$s_!ey4r!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fbb41893d-dcd0-4bd3-b31b-a9a678a431eb_2816x1536.png 1456w" sizes="100vw" fetchpriority="high"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg role="img" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><title></title><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>You feel behind all day but can&#8217;t point to why. Small things start triggering big reactions. You come home too tired to do anything but too wired to rest. Things that used to recharge you feel like more effort.</p><p>This is burnout. And it happens because the way we work now drains your brain faster than the way we rest rebuilds it.</p><p>To understand why, look at what actually changed about work in the last twenty years.</p><div class="subscription-widget-wrap-editor" data-attrs="{&quot;url&quot;:&quot;https://www.brainhealthdecoded.com/subscribe?&quot;,&quot;text&quot;:&quot;Subscribe&quot;,&quot;language&quot;:&quot;en&quot;}" data-component-name="SubscribeWidgetToDOM"><div class="subscription-widget show-subscribe"><div class="preamble"><p class="cta-caption">I'm a neuroscientist and doctor sharing ways to improve cognitive performance and build a healthier brain.</p></div><form class="subscription-widget-subscribe"><input type="email" class="email-input" name="email" placeholder="Type your email&#8230;" tabindex="-1"><input type="submit" class="button primary" value="Subscribe"><div class="fake-input-wrapper"><div class="fake-input"></div><div class="fake-button"></div></div></form></div></div><h2>Slack, Teams, and Email Added a Layer of Work on Top of Your Actual Work</h2><p>Over the last two decades, we added low-friction digital communication to the workplace. Email, Slack, Teams. The assumption was that faster communication would only make work better.</p><p>And while it did, it also means <strong>every commitment we say &#8220;yes&#8221; to now brings a trail of administrative overhead</strong>: emails about the commitment, meetings to discuss the commitment, and constant pings to coordinate the commitment. A task that used to take focused effort now takes that effort plus dozens of messages to coordinate it.</p><p>Every message pulls your attention away from what you were doing, and getting back takes time and effort. So you spend most of your day switching between things rather than finishing them. You always feel behind. </p><p>And that low-level tension you carry all day - the sense that there&#8217;s always something you should be doing - is driven by a hormone called cortisol.</p><h2>Cortisol Is Designed to Spike and Recover - Chronic Stress Stops the Recovery</h2><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="https://substackcdn.com/image/fetch/$s_!4ouX!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa663b456-30b7-4d55-97a6-e30866f12421_1200x1000.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="https://substackcdn.com/image/fetch/$s_!4ouX!,w_424,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa663b456-30b7-4d55-97a6-e30866f12421_1200x1000.jpeg 424w, https://substackcdn.com/image/fetch/$s_!4ouX!,w_848,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa663b456-30b7-4d55-97a6-e30866f12421_1200x1000.jpeg 848w, https://substackcdn.com/image/fetch/$s_!4ouX!,w_1272,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa663b456-30b7-4d55-97a6-e30866f12421_1200x1000.jpeg 1272w, https://substackcdn.com/image/fetch/$s_!4ouX!,w_1456,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa663b456-30b7-4d55-97a6-e30866f12421_1200x1000.jpeg 1456w" sizes="100vw"><img src="https://substackcdn.com/image/fetch/$s_!4ouX!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa663b456-30b7-4d55-97a6-e30866f12421_1200x1000.jpeg" width="1200" height="1000" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/a663b456-30b7-4d55-97a6-e30866f12421_1200x1000.jpeg&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:1000,&quot;width&quot;:1200,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:83884,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/jpeg&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://www.brainhealthdecoded.com/i/189753265?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa663b456-30b7-4d55-97a6-e30866f12421_1200x1000.jpeg&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="https://substackcdn.com/image/fetch/$s_!4ouX!,w_424,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa663b456-30b7-4d55-97a6-e30866f12421_1200x1000.jpeg 424w, https://substackcdn.com/image/fetch/$s_!4ouX!,w_848,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa663b456-30b7-4d55-97a6-e30866f12421_1200x1000.jpeg 848w, https://substackcdn.com/image/fetch/$s_!4ouX!,w_1272,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa663b456-30b7-4d55-97a6-e30866f12421_1200x1000.jpeg 1272w, https://substackcdn.com/image/fetch/$s_!4ouX!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fa663b456-30b7-4d55-97a6-e30866f12421_1200x1000.jpeg 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg role="img" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><title></title><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a><figcaption class="image-caption">In a healthy system, cortisol spikes and recovers in clean waves. Chronic stress pushes the system through three stages: resistance (cortisol climbs), compensation (cortisol weakens), and exhaustion (cortisol flatlines below baseline)</figcaption></figure></div><p>In a healthy body, cortisol follows a rhythm: it spikes when you face a challenge, then drops once the challenge passes. This means you can respond to stress, recover fully, and be ready for the next demand.</p><p>But when stress becomes constant, this <a href="https://www.frontiersin.org/journals/neuroscience/articles/10.3389/fnins.2020.00360/full">rhythm breaks down in stages</a>:</p><ul><li><p><strong>Stage 1 - Resistance.</strong> The body tries to keep up. It pushes cortisol higher and holds it there, which you can see as the curve climbing steeply upward. You feel wired, on edge, running on adrenaline. You might even feel productive. But the waves are gone. Recovery between stressors is no longer complete.</p></li><li><p><strong>Stage 2 - Compensatory phase.</strong> After months of sustained output, the stress response weakens. You can see cortisol beginning its decline on the graph. You feel both tired and anxious at the same time.</p></li><li><p><strong>Stage 3 - Exhaustion.</strong> Cortisol drops below its original baseline and stays there - the red zone on the far right. The healthy rhythm is gone. Your body can neither mount a full stress response nor fully stand down. This is burnout.</p></li></ul><p>But prolonged cortisol exposure doesn't just exhaust the stress response - it physically changes the brain.</p><h2>Prolonged Stress Exposure Rewires Your Brain</h2><p>By the time the cortisol system reaches exhaustion, prolonged cortisol exposure has produced measurable changes in three brain regions:</p><ul><li><p><strong>Your <a href="https://academic.oup.com/cercor/article/25/6/1554/300206">amygdala</a> enlarges.</strong> It becomes hyperreactive. Small things - a blunt email, a last-minute calendar change - start triggering full emotional responses.</p></li><li><p><strong>Your <a href="https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0064065">prefrontal cortex</a> thins.</strong> Sustained cortisol shrinks the neurons responsible for planning and impulse control. Goals stop generating drive. Decisions that used to be automatic feel paralysing.</p></li><li><p><strong>Your <a href="https://www.sciencedirect.com/science/article/pii/S2213158220301741">striatum</a> shrinks.</strong> The striatum tags experiences as worth pursuing, and under chronic stress it stops producing the dopamine signal that says &#8220;do this again.&#8221; Activities that once brought satisfaction feel like effort for nothing. You stop enjoying things.</p></li></ul><p>And these three regions don't work in isolation. Normally, the prefrontal cortex regulates the amygdala, and the striatum sends motivational signals to the prefrontal cortex. But under chronic stress, these <a href="https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0104550">connections weaken</a>. The amygdala fires unchecked, the prefrontal cortex receives no signal to act, and nothing feels worth pursuing. </p><h1>How to Recover from Burnout</h1><p>The good news is these changes <strong>are not permanent</strong>. The same neuroplasticity that allowed chronic stress to reshape these regions works in reverse. Give the brain the right conditions, and it rebuilds.</p><p>Recovery requires two things: <strong>reducing the volume of work</strong> your brain processes each day, and <strong>creating genuine recovery windows</strong> so cortisol can come back down.</p><h2>Reduce the Cognitive Load Your Work Creates</h2><p>Modern work generates far more cognitive load than the tasks themselves require. <strong>Every active commitment brings emails, meetings, coordination, and mental tracking.</strong> Reducing this overhead is the most direct way to lower chronic stress.</p><h4><strong>1. Batch your email and messages into set times</strong></h4><p>Check email and messages at scheduled times rather than throughout the day. Turn off notifications between them. </p><p>Every time you check an inbox, you pull your attention away from whatever you were doing. Getting back to your original task takes time and effort. The more often you check, the more of your day you spend switching between things rather than actually doing them.</p><p>A <a href="https://www.sciencedirect.com/science/article/abs/pii/S0747563214005810">2015 study of 124 adults</a> found that batching email into three daily windows produced a measurable drop in cortisol compared to checking freely.</p><h4>2. Set one to three goals for the day</h4><p>Each morning, look at everything on your plate and pick the one to three tasks that would move your most important projects forward. Ignore everything urgent but unimportant - those can wait or be batched later. Write only those tasks down. Do the hardest one first, while your prefrontal cortex is freshest.</p><p>When your to-do list has twelve items, you spend the day half-working on all of them and finishing none. A short list forces you to complete things, and completed tasks are the ones that <em>actually</em> reduce your workload.</p><h4>3. Write down every unfinished task before you finish work</h4><p>Before you close the laptop, spend five minutes writing down every open task somewhere you'll see it tomorrow. Then mark the transition physically. Change your clothes. Make tea. Put the laptop in a different room.</p><p>Without this, your brain never actually stop working. An incomplete email or a half-done report stays active in your brain, keeping your stress response engaged even while you're on the sofa. This means your cortisol is still elevated because as far as your brain is concerned, the workday hasn't ended. </p><p>Writing tasks down and physically changing your environment are both forms of psychological detachment - fully disconnecting your brain from work during off-hours. <a href="https://www.frontiersin.org/journals/psychology/articles/10.3389/fpsyg.2016.02072/full">A meta-analysis of 86 studies</a> found this was the strongest predictor of reduced exhaustion and better sleep.</p><h4>4. Cap active projects at two or three</h4><p>Open your task manager or notebook and list every project you&#8217;re actively working on this week. If it&#8217;s more than three, pick the two or three that matter most. Move everything else into a &#8216;waiting&#8217; list - visible, but not active.</p><p>Every active project carries an overhead tax: the emails, meetings, coordination, and mental tracking attached to any commitment. With two projects, most of your day is deep work. With five, most of your day is overhead - and nothing actually gets finished.</p><h2>Give Your Stress System Actual Recovery Windows</h2><p>Cortisol is designed to spike and recover. Burnout happens when the recovery windows disappear - when the signal to stand down never arrives. These strategies create the clear endings your cortisol system needs.</p><h4>5. Take genuine breaks during the work day</h4><p>Work in focused blocks of roughly 50&#8211;75 minutes, then step away completely for 15&#8211;30. Leave the desk. Leave the phone. Walk, stretch, talk to someone, go outside.</p><p><a href="https://www.researchgate.net/publication/309804103_impact_of_supplementary_short_rest_breaks_on_task_performance_-_A_meta-analysis">Rest breaks improve the quantity of work output by around 5% and the quality by 8%</a>, even after accounting for the lost working time. But studies show the type of break matters. Relaxation and social breaks lower stress. Cognitive breaks - puzzles, reading work material, scrolling the news - make fatigue worse. </p><p>A break where your prefrontal cortex is still working is not a recovery window.</p><h4>6. Replace screen-based evenings with physical or creative activity</h4><p>Think about the activities that used to absorb you completely - the sport, the instrument, the sketching. Pick one and schedule it for two or three evenings this week.</p><p>These activities shift brain activity away from the prefrontal cortex and onto motor, sensory, and creative networks. You're using a completely different part of your brain, and the part that's been overloaded all day gets to recover.</p><p>Just <a href="https://pmc.ncbi.nlm.nih.gov/articles/PMC5004743/">45 minutes of free creative activity</a> lowered cortisol in 75% of participants, regardless of prior experience.</p><h4>7. Spend 20&#8211;30 minutes in nature <em>without</em> your phone</h4><p>Three times a week, spend twenty to thirty minutes outside. Leave the phone behind.</p><p>Without notifications, inboxes, or decisions, your brain gets a stretch of time where nothing is asking for its attention. That&#8217;s the recovery window your cortisol system needs.</p><p>A 2019 study had participants do exactly this for eight weeks. <a href="https://www.frontiersin.org/journals/psychology/articles/10.3389/fpsyg.2019.00722/full">Salivary cortisol dropped 21% per hour of exposure</a>, with the steepest decline in the 20&#8211;30 minute window.</p><h4>8. Take regular short vacations throughout the year</h4><p>Most people save their recovery for one big holiday. But the <a href="https://link.springer.com/article/10.1007/s10902-012-9345-3">wellbeing benefits of a vacation peak around day eight</a> and fade completely within the first week back at work. <a href="https://psycnet.apa.org/record/1997-06152-002">By week three, burnout levels have fully returned</a> to where they were before you left.</p><p>This means a two-week holiday in August gives you roughly one good week of recovery that doesn&#8217;t last. A long weekend every few weeks gives you consistent recovery all year round. And studies suggest what you do during time off matters: <a href="https://psycnet.apa.org/record/1997-06152-002">physical and social activities predict genuine recovery</a>, while passive screen-based &#8220;rest&#8221; impairs it.j</p><h2>The Bottom Line</h2><p>Here&#8217;s what I want you to take away: the brain changes behind burnout are not permanent. They are your brain&#8217;s response to an environment that never gave it a clean break. Change the environment - even slightly - and the system starts to recover.</p><p>You don&#8217;t need to do all eight things on this list. Pick one. The most effective strategy is the one you&#8217;ll actually follow through on. And remember: the same brain that got you into this state is fully capable of getting you out of it.</p>]]></content:encoded></item><item><title><![CDATA[Why You Can't Throw Stuff Away (The Neuroscience of Clutter)]]></title><description><![CDATA[The science behind why decluttering feels so hard - and how to make it easier.]]></description><link>https://www.brainhealthdecoded.com/p/why-you-cant-throw-stuff-away-the</link><guid isPermaLink="false">https://www.brainhealthdecoded.com/p/why-you-cant-throw-stuff-away-the</guid><dc:creator><![CDATA[Dr. Dominic Ng]]></dc:creator><pubDate>Tue, 24 Feb 2026 19:10:35 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!BB6l!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F13276845-54eb-4279-b2bd-22362754ee73_2848x1504.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="https://substackcdn.com/image/fetch/$s_!BB6l!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F13276845-54eb-4279-b2bd-22362754ee73_2848x1504.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="https://substackcdn.com/image/fetch/$s_!BB6l!,w_424,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F13276845-54eb-4279-b2bd-22362754ee73_2848x1504.png 424w, https://substackcdn.com/image/fetch/$s_!BB6l!,w_848,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F13276845-54eb-4279-b2bd-22362754ee73_2848x1504.png 848w, https://substackcdn.com/image/fetch/$s_!BB6l!,w_1272,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F13276845-54eb-4279-b2bd-22362754ee73_2848x1504.png 1272w, https://substackcdn.com/image/fetch/$s_!BB6l!,w_1456,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F13276845-54eb-4279-b2bd-22362754ee73_2848x1504.png 1456w" sizes="100vw"><img src="https://substackcdn.com/image/fetch/$s_!BB6l!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F13276845-54eb-4279-b2bd-22362754ee73_2848x1504.png" width="1456" height="769" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/13276845-54eb-4279-b2bd-22362754ee73_2848x1504.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:769,&quot;width&quot;:1456,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:9142750,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:true,&quot;internalRedirect&quot;:&quot;https://www.brainhealthdecoded.com/i/188999267?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F13276845-54eb-4279-b2bd-22362754ee73_2848x1504.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="https://substackcdn.com/image/fetch/$s_!BB6l!,w_424,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F13276845-54eb-4279-b2bd-22362754ee73_2848x1504.png 424w, https://substackcdn.com/image/fetch/$s_!BB6l!,w_848,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F13276845-54eb-4279-b2bd-22362754ee73_2848x1504.png 848w, https://substackcdn.com/image/fetch/$s_!BB6l!,w_1272,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F13276845-54eb-4279-b2bd-22362754ee73_2848x1504.png 1272w, https://substackcdn.com/image/fetch/$s_!BB6l!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F13276845-54eb-4279-b2bd-22362754ee73_2848x1504.png 1456w" sizes="100vw" fetchpriority="high"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg role="img" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><title></title><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>You can&#8217;t find your keys because they&#8217;re buried under a pile of post, a half-empty water bottle, and a charger you keep moving from room to room.</p><p>You tell yourself it&#8217;s not that bad. You know where everything is, roughly. And you&#8217;ll deal with it at the weekend - except the weekend comes and you don&#8217;t, because the thought of sorting through it all feels harder than it should.</p><p>So you decide you're just messy. Unorganised. But before you accept those labels, it's worth looking at what clutter is actually doing to your brain - and why clearing it feels so much harder than it should.</p><h2>Clutter Drains Your Focus and Raises Your Cortisol</h2><p>Ever sat down to work at a messy desk and struggled to focus? The reason is simple: your brain tries to process everything it can see, so the more objects in view, the less attention each one gets.</p><p>Brain imaging backs this up. When <a href="https://www.nature.com/articles/s41467-024-51243-7">researchers</a> showed people a single image in a scanner, it triggered a full neural response. But four images shown together? Each one got roughly a quarter of the activity that a single image did.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="https://substackcdn.com/image/fetch/$s_!lHbW!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F26698ae0-2a23-44ee-8a15-1f276f04f45d_645x414.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="https://substackcdn.com/image/fetch/$s_!lHbW!,w_424,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F26698ae0-2a23-44ee-8a15-1f276f04f45d_645x414.png 424w, https://substackcdn.com/image/fetch/$s_!lHbW!,w_848,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F26698ae0-2a23-44ee-8a15-1f276f04f45d_645x414.png 848w, https://substackcdn.com/image/fetch/$s_!lHbW!,w_1272,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F26698ae0-2a23-44ee-8a15-1f276f04f45d_645x414.png 1272w, https://substackcdn.com/image/fetch/$s_!lHbW!,w_1456,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F26698ae0-2a23-44ee-8a15-1f276f04f45d_645x414.png 1456w" sizes="100vw"><img src="https://substackcdn.com/image/fetch/$s_!lHbW!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F26698ae0-2a23-44ee-8a15-1f276f04f45d_645x414.png" width="579" height="371.6372093023256" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/26698ae0-2a23-44ee-8a15-1f276f04f45d_645x414.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:414,&quot;width&quot;:645,&quot;resizeWidth&quot;:579,&quot;bytes&quot;:67192,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://www.brainhealthdecoded.com/i/188999267?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F26698ae0-2a23-44ee-8a15-1f276f04f45d_645x414.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="https://substackcdn.com/image/fetch/$s_!lHbW!,w_424,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F26698ae0-2a23-44ee-8a15-1f276f04f45d_645x414.png 424w, https://substackcdn.com/image/fetch/$s_!lHbW!,w_848,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F26698ae0-2a23-44ee-8a15-1f276f04f45d_645x414.png 848w, https://substackcdn.com/image/fetch/$s_!lHbW!,w_1272,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F26698ae0-2a23-44ee-8a15-1f276f04f45d_645x414.png 1272w, https://substackcdn.com/image/fetch/$s_!lHbW!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F26698ae0-2a23-44ee-8a15-1f276f04f45d_645x414.png 1456w" sizes="100vw"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg role="img" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><title></title><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a><figcaption class="image-caption">Both panels show the activity of the visual cortex visual cortex responds to four images. When it has to process all four at once (left), the response is almost flat. But when it sees them one at a time (right), the response is roughly four times stronger.</figcaption></figure></div><p>It&#8217;s like trying to listen to one person while nine others talk over them - you can still hear them, but it takes more effort and you lose parts of what they&#8217;re saying. Now scale that up to a whole cluttered room - dozens of objects, each one diluting your focus a little more. </p><p>And it's not just a focus problem. People living in cluttered homes show <a href="https://journals.sagepub.com/doi/10.1177/0146167209352864">elevated cortisol levels</a>, the same stress hormone pattern you'd see in someone under sustained pressure. Your brain isn't just distracted by the mess. It's stressed by it.</p><h2><strong>Three Reasons Your Brain Resists Decluttering</strong></h2><p>You know clutter is costing you. So why not just get rid of it? Here are three reasons you struggle to do it.</p><h4>Your Brain Treats Losing a Possession Like Physical Pain</h4><p>For most of human history, losing a resource could mean death. So your brain evolved to feel losing something about twice as intensely as getting that same thing in the first place. Anyone who's played Monopoly knows this instinctively - no one likes to trade, even for a deal that clearly favours them. </p><p>Brain imaging shows why. Contemplating giving up a possession activates the <em><a href="https://www.cell.com/fulltext/S0896-6273(08)00453-4">anterior insula</a></em> - a region involved in processing physical pain. And this response scales with how much you value the item.</p><h4>Sentimental Objects Feel Like Part of Your Identity</h4><p>The concert ticket, the university hoodie, the book you read on holiday - your brain encodes these items as part of your identity. These are the objects where the pain response hits hardest, because discarding them doesn't just feel like losing a thing. It feels like erasing a piece of your history.</p><h4><strong>Decluttering Burns Through Your Daily Decision-Making Budget</strong></h4><p>Every choice you make - what to eat, what to reply, what to keep - draws from your <em>prefrontal cortex</em>, the region responsible for planning and self-control.</p><p>This region depletes over the course of a day. The first ten decluttering decisions feel fine. By thirty, your brain is spent. This is the same mechanism that makes your <a href="https://www.brainhealthdecoded.com/p/how-to-stop-wasting-your-evenings">evenings collapse into takeaway and scrolling after a hard day at work</a> - and it's why people start decluttering with energy and abandon it halfway through.</p><h2>How to Declutter Without Fighting Your Own Brain</h2><p>The strategies below are designed around these three barriers. Each one reduces the load on a specific mechanism so that the act of decluttering stays within what your brain can handle.</p><h3>1. Sort by Category so Your Brain Can Build a Template</h3><p>When you declutter room by room, every item is a different kind of decision. A book, then a cable, then a jumper, then a photo. Each one requires different criteria, and each one costs your prefrontal cortex fresh effort.</p>
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   ]]></content:encoded></item><item><title><![CDATA[How Dopamine Actually Works (The Neuroscience of Screen Addiction)]]></title><description><![CDATA[Why dopamine fasts don't work, and what actually rebuilds the system]]></description><link>https://www.brainhealthdecoded.com/p/how-dopamine-actually-works-the-neuroscience</link><guid isPermaLink="false">https://www.brainhealthdecoded.com/p/how-dopamine-actually-works-the-neuroscience</guid><dc:creator><![CDATA[Dr. Dominic Ng]]></dc:creator><pubDate>Tue, 17 Feb 2026 18:32:30 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!ois7!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb6eabdda-285f-49c3-9a4b-777940868e3d_2816x1536.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="https://substackcdn.com/image/fetch/$s_!ois7!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb6eabdda-285f-49c3-9a4b-777940868e3d_2816x1536.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="https://substackcdn.com/image/fetch/$s_!ois7!,w_424,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb6eabdda-285f-49c3-9a4b-777940868e3d_2816x1536.png 424w, https://substackcdn.com/image/fetch/$s_!ois7!,w_848,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb6eabdda-285f-49c3-9a4b-777940868e3d_2816x1536.png 848w, https://substackcdn.com/image/fetch/$s_!ois7!,w_1272,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb6eabdda-285f-49c3-9a4b-777940868e3d_2816x1536.png 1272w, https://substackcdn.com/image/fetch/$s_!ois7!,w_1456,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb6eabdda-285f-49c3-9a4b-777940868e3d_2816x1536.png 1456w" sizes="100vw"><img src="https://substackcdn.com/image/fetch/$s_!ois7!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb6eabdda-285f-49c3-9a4b-777940868e3d_2816x1536.png" width="584" height="318.4725274725275" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/b6eabdda-285f-49c3-9a4b-777940868e3d_2816x1536.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:794,&quot;width&quot;:1456,&quot;resizeWidth&quot;:584,&quot;bytes&quot;:7807755,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:true,&quot;internalRedirect&quot;:&quot;https://www.brainhealthdecoded.com/i/188245203?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb6eabdda-285f-49c3-9a4b-777940868e3d_2816x1536.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="https://substackcdn.com/image/fetch/$s_!ois7!,w_424,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb6eabdda-285f-49c3-9a4b-777940868e3d_2816x1536.png 424w, https://substackcdn.com/image/fetch/$s_!ois7!,w_848,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb6eabdda-285f-49c3-9a4b-777940868e3d_2816x1536.png 848w, https://substackcdn.com/image/fetch/$s_!ois7!,w_1272,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb6eabdda-285f-49c3-9a4b-777940868e3d_2816x1536.png 1272w, https://substackcdn.com/image/fetch/$s_!ois7!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb6eabdda-285f-49c3-9a4b-777940868e3d_2816x1536.png 1456w" sizes="100vw" fetchpriority="high"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg role="img" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><title></title><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>You&#8217;re scrolling, but you&#8217;re not enjoying it. You know this, and you keep going anyway.</p><p>A few years ago the same content might have felt fun. Now it feels flat, but stopping feels worse - and it&#8217;s not just your phone. Books, cooking, exercise, anything that requires effort to start has become harder.</p><p>The underlying mechanism is a measurable change in your brain&#8217;s reward chemistry, and it starts with how your phone delivers dopamine.</p><h3>Your Phone Produces Unnaturally Frequent Dopamine Spikes</h3><p>Dopamine is what drives you to keep looking for rewards. The biggest spikes come from surprises - you check something without knowing what's there, find something good, and your brain stamps in the lesson: <em>do that again.</em></p><p>This wiring exists because it kept our ancestors alive. The ones who got a chemical hit every time they found unexpected food kept checking every bush and every stream. They found more, survived longer, and passed the instinct down. <em>(I wrote a deeper breakdown [<a href="https://www.brainhealthdecoded.com/p/how-to-stop-wasting-your-life">here</a>])</em></p><p>Tech companies exploit the same mechanism. Every feed-based app is engineered so that most content is forgettable, but occasional posts deliver a genuine hit - and that&#8217;s exactly what keeps you scrolling through everything else.</p><p>But a feed never runs out. So a signal that evolved to fire a few times a day now fires hundreds of times, for months and years.</p><h3>Repeated Dopamine Surges Dull the Receptor System That Receives Them</h3><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="https://substackcdn.com/image/fetch/$s_!YnMS!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F7536825c-9ca3-4b4c-a45d-b283458467ae_2816x1536.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="https://substackcdn.com/image/fetch/$s_!YnMS!,w_424,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F7536825c-9ca3-4b4c-a45d-b283458467ae_2816x1536.png 424w, 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data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/7536825c-9ca3-4b4c-a45d-b283458467ae_2816x1536.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:794,&quot;width&quot;:1456,&quot;resizeWidth&quot;:548,&quot;bytes&quot;:7658412,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://www.brainhealthdecoded.com/i/188245203?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F7536825c-9ca3-4b4c-a45d-b283458467ae_2816x1536.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="https://substackcdn.com/image/fetch/$s_!YnMS!,w_424,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F7536825c-9ca3-4b4c-a45d-b283458467ae_2816x1536.png 424w, https://substackcdn.com/image/fetch/$s_!YnMS!,w_848,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F7536825c-9ca3-4b4c-a45d-b283458467ae_2816x1536.png 848w, https://substackcdn.com/image/fetch/$s_!YnMS!,w_1272,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F7536825c-9ca3-4b4c-a45d-b283458467ae_2816x1536.png 1272w, https://substackcdn.com/image/fetch/$s_!YnMS!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F7536825c-9ca3-4b4c-a45d-b283458467ae_2816x1536.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg role="img" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><title></title><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a><figcaption class="image-caption">Chronic overstimulation reduces the number of receptors available to receive dopamine</figcaption></figure></div><p>You know how you stop noticing a smell after a few minutes in a room? The smell hasn&#8217;t faded. Your receptors have adjusted to it, so the same concentration no longer registers.</p><p>The same thing happens with dopamine. When the striatum (the brain&#8217;s reward-processing hub) gets flooded with dopamine repeatedly, its neurons start removing the receptors that pick up the signal. This is called <em>downregulation</em>. The dopamine is still being released. There are just fewer receivers left to detect it.</p><p>This is why the same content that entertained you a year ago now feels flat. The dopamine it produces hasn't changed. Your brain's ability to register it has.</p><p><strong><a href="https://pubmed.ncbi.nlm.nih.gov/21499141/">Brain scans</a> of people with internet addiction confirm this. The more severe the addiction, the fewer dopamine receptors remain.</strong> The same pattern appears in <a href="https://pmc.ncbi.nlm.nih.gov/articles/PMC2696819/">cocaine, methamphetamine, and alcohol addiction</a> - the substance changes, but the receptor loss looks identical.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="https://substackcdn.com/image/fetch/$s_!BzpL!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb5fd6a30-86e0-48ec-afbd-e37fa26d6bf6_960x816.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="https://substackcdn.com/image/fetch/$s_!BzpL!,w_424,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb5fd6a30-86e0-48ec-afbd-e37fa26d6bf6_960x816.png 424w, https://substackcdn.com/image/fetch/$s_!BzpL!,w_848,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb5fd6a30-86e0-48ec-afbd-e37fa26d6bf6_960x816.png 848w, https://substackcdn.com/image/fetch/$s_!BzpL!,w_1272,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb5fd6a30-86e0-48ec-afbd-e37fa26d6bf6_960x816.png 1272w, https://substackcdn.com/image/fetch/$s_!BzpL!,w_1456,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb5fd6a30-86e0-48ec-afbd-e37fa26d6bf6_960x816.png 1456w" sizes="100vw"><img src="https://substackcdn.com/image/fetch/$s_!BzpL!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb5fd6a30-86e0-48ec-afbd-e37fa26d6bf6_960x816.png" width="472" height="401.2" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/b5fd6a30-86e0-48ec-afbd-e37fa26d6bf6_960x816.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:816,&quot;width&quot;:960,&quot;resizeWidth&quot;:472,&quot;bytes&quot;:104284,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://www.brainhealthdecoded.com/i/188245203?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb5fd6a30-86e0-48ec-afbd-e37fa26d6bf6_960x816.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="https://substackcdn.com/image/fetch/$s_!BzpL!,w_424,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb5fd6a30-86e0-48ec-afbd-e37fa26d6bf6_960x816.png 424w, https://substackcdn.com/image/fetch/$s_!BzpL!,w_848,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb5fd6a30-86e0-48ec-afbd-e37fa26d6bf6_960x816.png 848w, https://substackcdn.com/image/fetch/$s_!BzpL!,w_1272,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb5fd6a30-86e0-48ec-afbd-e37fa26d6bf6_960x816.png 1272w, https://substackcdn.com/image/fetch/$s_!BzpL!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb5fd6a30-86e0-48ec-afbd-e37fa26d6bf6_960x816.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg role="img" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><title></title><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a><figcaption class="image-caption"><a href="https://pubmed.ncbi.nlm.nih.gov/21499141/">PET imaging of people with and without internet addiction. Each dot is a person. The horizontal axis shows the severity of their internet addiction. The vertical axis shows how many dopamine D2 receptors are available in their striatum. The more addicted the person, the fewer receptors they have left.</a></figcaption></figure></div><h3>Dopamine Receptor Loss Weakens the Prefrontal Cortex</h3><p>When receptors are lost, everyday rewards - a meal, a conversation, a walk - register more weakly. But these receptors <em>also</em> directly regulate activity in the prefrontal cortex, the region responsible for deliberate choices.</p><p><strong>This means receptor loss both dulls your experience of normal rewards </strong><em><strong>and</strong></em><strong> weakens your ability to choose them over scrolling.</strong></p><p>Researchers at the National Institute on Drug Abuse showed this by scanning the brains of addicted and healthy subjects. They identified that both the receptor levels (top row) and prefrontal activity (bottom row) are <a href="https://pmc.ncbi.nlm.nih.gov/articles/PMC2696819/">visibly dimmer in the addicted brain</a>. </p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="https://substackcdn.com/image/fetch/$s_!ocrc!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fac1ed987-7ad3-4b01-b90a-2a5afce724da_1094x1090.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="https://substackcdn.com/image/fetch/$s_!ocrc!,w_424,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fac1ed987-7ad3-4b01-b90a-2a5afce724da_1094x1090.png 424w, https://substackcdn.com/image/fetch/$s_!ocrc!,w_848,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fac1ed987-7ad3-4b01-b90a-2a5afce724da_1094x1090.png 848w, https://substackcdn.com/image/fetch/$s_!ocrc!,w_1272,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fac1ed987-7ad3-4b01-b90a-2a5afce724da_1094x1090.png 1272w, https://substackcdn.com/image/fetch/$s_!ocrc!,w_1456,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fac1ed987-7ad3-4b01-b90a-2a5afce724da_1094x1090.png 1456w" sizes="100vw"><img src="https://substackcdn.com/image/fetch/$s_!ocrc!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fac1ed987-7ad3-4b01-b90a-2a5afce724da_1094x1090.png" width="488" height="486.21572212065814" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/ac1ed987-7ad3-4b01-b90a-2a5afce724da_1094x1090.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:1090,&quot;width&quot;:1094,&quot;resizeWidth&quot;:488,&quot;bytes&quot;:940868,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://www.brainhealthdecoded.com/i/188245203?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fac1ed987-7ad3-4b01-b90a-2a5afce724da_1094x1090.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="https://substackcdn.com/image/fetch/$s_!ocrc!,w_424,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fac1ed987-7ad3-4b01-b90a-2a5afce724da_1094x1090.png 424w, https://substackcdn.com/image/fetch/$s_!ocrc!,w_848,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fac1ed987-7ad3-4b01-b90a-2a5afce724da_1094x1090.png 848w, https://substackcdn.com/image/fetch/$s_!ocrc!,w_1272,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fac1ed987-7ad3-4b01-b90a-2a5afce724da_1094x1090.png 1272w, https://substackcdn.com/image/fetch/$s_!ocrc!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fac1ed987-7ad3-4b01-b90a-2a5afce724da_1094x1090.png 1456w" sizes="100vw" loading="lazy"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg role="img" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><title></title><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a><figcaption class="image-caption">Four PET brain scans. Top row: dopamine receptor availability. Bottom row: metabolic activity in the prefrontal cortex. Left column: healthy brain. Right column: addicted brain. Brighter colour means more receptors (top) or more activity (bottom).</figcaption></figure></div><p>Three specific areas were affected:</p><ul><li><p><strong>The orbitofrontal cortex</strong> assigns value to your options. With reduced activity, your brain overweights the quick hit of opening your phone and underweights the slower reward of finishing a book or cooking a meal.</p></li><li><p><strong>The anterior cingulate cortex</strong> controls your ability to stop a behaviour you&#8217;ve already started. This is the region that fails when you tell yourself "one more video" for the fifth time and genuinely cannot make yourself close the app.</p></li><li><p><strong>The dorsolateral prefrontal cortex</strong> handles planning and decision-making. When it's underactive, your brain skips the thing you planned to do and defaults to whatever is easiest to start - which is almost always your phone.</p></li></ul><p><strong>This is what makes the problem self-reinforcing.</strong> The receptor loss weakens the exact brain regions you would need to change the behaviour causing it.</p><h3>And Dopamine Fasts Make the Problem Worse</h3><p>The most popular advice is to cut off all stimulation for a weekend and let your receptors reset. It sounds logical, but:</p><ul><li><p><strong><a href="https://www.nature.com/articles/npp2015331">Receptors don&#8217;t rebuild that fast</a>.</strong> Growing new receptors is a slow biological process - weeks to months. A weekend of abstinence changes nothing structurally.</p></li><li><p><strong><a href="https://pubmed.ncbi.nlm.nih.gov/21459462/">Fasting amplifies cravings</a>.</strong> Research on addiction shows that the urge to seek a reward <em>escalates</em> during total abstinence, peaking around weeks two to four. So by the time the fast is over, the pull towards your phone is stronger than when you started - you scroll more, feel guilty, try another fast, and repeat.</p></li></ul><p>Instead, recovery that works has three stages: reduce the stimulation, rebuild the receptor system, and strengthen the prefrontal cortex that was weakened alongside it.</p><h2>How to Reverse the Process</h2><h3>Stage 1: Environmental Friction Reduces Dopamine Hits Without Requiring Willpower</h3><p>Every time you scroll, your striatum gets another hit of dopamine, and the pressure to remove more receptors continues. The first step is to reduce how often that happens - not through temporary abstinence, but by permanently making the behaviour harder to start.</p><p>Environmental friction solves this by adding external barriers that prevent the behaviour before your prefrontal cortex needs to get involved. <a href="https://link.springer.com/article/10.1007/s11469-022-00826-w">A 2022 trial testing friction-based strategies found that smartphone addiction scores dropped by 20% and held for at least six weeks.</a></p><p>The most effective changes:</p>
      <p>
          <a href="https://www.brainhealthdecoded.com/p/how-dopamine-actually-works-the-neuroscience">
              Read more
          </a>
      </p>
   ]]></content:encoded></item><item><title><![CDATA[Why You Procrastinate Even When It Feels Bad (The Neuroscience Of Task Initiation)]]></title><description><![CDATA[And what to do about it]]></description><link>https://www.brainhealthdecoded.com/p/why-you-procrastinate-even-when-it</link><guid isPermaLink="false">https://www.brainhealthdecoded.com/p/why-you-procrastinate-even-when-it</guid><dc:creator><![CDATA[Dr. Dominic Ng]]></dc:creator><pubDate>Tue, 10 Feb 2026 20:46:32 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!p9hO!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0d0a7d85-8462-4a44-b36e-2c81f262e45a_2816x1536.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<p></p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="https://substackcdn.com/image/fetch/$s_!p9hO!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0d0a7d85-8462-4a44-b36e-2c81f262e45a_2816x1536.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="https://substackcdn.com/image/fetch/$s_!p9hO!,w_424,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0d0a7d85-8462-4a44-b36e-2c81f262e45a_2816x1536.png 424w, https://substackcdn.com/image/fetch/$s_!p9hO!,w_848,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0d0a7d85-8462-4a44-b36e-2c81f262e45a_2816x1536.png 848w, https://substackcdn.com/image/fetch/$s_!p9hO!,w_1272,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F0d0a7d85-8462-4a44-b36e-2c81f262e45a_2816x1536.png 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class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg role="img" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><title></title><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a></figure></div><p>You have a task. You know it matters. You&#8217;ve known about it for days. But instead of doing it, you&#8217;re reorganising your desk, checking your phone, or reading an article about procrastination.</p><p>By Monday night, you&#8217;re writing in a panic, fuelled by self-loathing and cold coffee, wondering why you always do this.</p><p>You probably call it laziness. It isn&#8217;t. </p><h3>Procrastination Is an Emotional Avoidance Response</h3><p>Laziness is about the work - you don&#8217;t want to make the effort, so you don&#8217;t. Procrastination is about the feeling. You want to do the task, but you can&#8217;t tolerate the anxiety, self-doubt, boredom, or fear of failure your brain attaches to it, so it redirects you toward something easier.</p><p>This is why you can procrastinate on a task that takes ten minutes. The amount of work is irrelevant - what causes the delay is the emotional weight your brain attaches to it.</p><h3>Procrastinators&#8217; Brains Produce a Bigger Threat Response and Have Less Wiring to Override It</h3><p><a href="https://pubmed.ncbi.nlm.nih.gov/30118388/">Brain scans of 264 people</a> found two structural differences in those who procrastinated most.</p><ul><li><p><strong>A larger amygdala.</strong> The amygdala evaluates threats and generates emotional reactions. A larger one produces a stronger alarm in response to a task - more anxiety, more dread, more urgency to do something else.</p></li><li><p><strong>Weaker connectivity between the amygdala and the dorsal anterior cingulate cortex (dACC).</strong> The dACC is the part of the prefrontal cortex responsible for impulse control - it&#8217;s what should override the alarm and push you to act anyway. When this connection is weak, it can't. </p></li></ul><p>Put simply: a procrastinator's brain produces a <strong>bigger alarm in response to a task</strong>, and has <strong>less wiring to shut that alarm down</strong>. And this isn't something you're born with - it's something you built. </p><p>Every time you avoid a task, your brain treats the avoidance as a successful response and reinforces it. The amygdala grows larger because it's being used <em>more</em> and the connection to the dACC weakens because it's being used <em>less</em>. </p><p>This is <em>neuroplasticity</em> - your brain physically reshaping itself based on what you repeatedly do.</p><h2>The Same Neuroplasticity That Created the Problem Can Reverse It</h2><p>Every time you start a task despite the discomfort, you strengthen the override pathway and weaken the alarm. The strategies below work by making that easier to do - either by <strong>shrinking the alarm</strong> so there&#8217;s less to override, or by <strong>supporting your impulse contro</strong>l so the override succeeds more often.</p><h3>1. Reduce the Threat Signal</h3><h4>Correcting the Narrative Lowers Amygdala Activation</h4><p>Neuroimaging studies show that when people reinterpret a stressful situation, <a href="https://pubmed.ncbi.nlm.nih.gov/23765157/">amygdala activity drops</a>. </p><p>So before you start the thing you're dreading, notice the story your brain is telling. Then replace it with something more <em>accurate</em>.</p><ul><li><p>&#8220;This presentation will expose how little I know&#8221; &#8594; &#8220;I&#8217;m sharing something I&#8217;ve been working on. I know this better than most people in the room.&#8221;</p></li><li><p>&#8220;If this report isn&#8217;t good, my boss will think I&#8217;m incompetent&#8221; &#8594; &#8220;This is a first draft. Its job is to exist, not to be perfect.&#8221;</p></li></ul><p>The original story is almost always a worst-case fantasy. The key is that the replacement has to be accurate, <em>not</em> overly-optimistic - "This first draft is going to blow everyone away and get me promoted" is just as fictional as the dread. </p>
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