<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/"><channel><title>MAVI World, journal</title><description>Long-form essays on longevity architecture from Kas Bordier and the MAVI editorial. The MAVI 129™ framework, the body and the room, the architecture of healthspan.</description><link>https://mavilongevity.com/</link><language>en-GB</language><copyright>© 2026 MAVI World, Geneva. All rights reserved.</copyright><generator>Astro RSS</generator><ttl>720</ttl><item><title>What Bryan Johnson&apos;s house should look like</title><link>https://mavilongevity.com/journal/bryan-johnsons-house/</link><guid isPermaLink="true">https://mavilongevity.com/journal/bryan-johnsons-house/</guid><description>Bryan Johnson optimises his biology in greater detail than almost any human alive. The house his biology lives inside is, on the public evidence, a back-of-the-envelope. Here is the architectural specification a Blueprint practitioner is undoing every night they sleep.</description><pubDate>Wed, 06 May 2026 00:00:00 GMT</pubDate><dc:creator>Kas Bordier</dc:creator><enclosure url="https://mavilongevity.com/images/properties/mavi-r3-78.jpg" type="image/jpeg"/><category>blueprint</category><category>longevity</category><category>comparison</category><category>framework</category></item><item><title>The thousand ppm threshold</title><link>https://mavilongevity.com/journal/the-thousand-ppm-threshold/</link><guid isPermaLink="true">https://mavilongevity.com/journal/the-thousand-ppm-threshold/</guid><description>Above 1000 ppm of carbon dioxide, decision-making and complex-task performance measurably degrade. A closed bedroom passes that threshold by mid-evening. The single highest-leverage architectural intervention in most homes is a window cracked one centimetre.</description><pubDate>Wed, 06 May 2026 00:00:00 GMT</pubDate><dc:creator>Kas Bordier</dc:creator><enclosure url="https://mavilongevity.com/images/textures/mavi-tex-15.jpg" type="image/jpeg"/><category>air</category><category>cognition</category><category>co2</category><category>sleep</category></item><item><title>The floor plan is the protocol</title><link>https://mavilongevity.com/journal/the-floor-plan-is-the-protocol/</link><guid isPermaLink="true">https://mavilongevity.com/journal/the-floor-plan-is-the-protocol/</guid><description>Behaviour-change advice is endless; behaviour-change adherence is exhausting. The architecture of the home programmes habits before intention does. A walkable floor plan is the most reliable longevity protocol most people have ever followed without noticing.</description><pubDate>Wed, 06 May 2026 00:00:00 GMT</pubDate><dc:creator>Kas Bordier</dc:creator><enclosure url="https://mavilongevity.com/images/textures/mavi-tex-01.jpg" type="image/jpeg"/><category>habits</category><category>layout</category><category>NEAT</category><category>design</category></item><item><title>Blueprint and the Room</title><link>https://mavilongevity.com/journal/blueprint-and-the-room/</link><guid isPermaLink="true">https://mavilongevity.com/journal/blueprint-and-the-room/</guid><description>Bryan Johnson optimises the body. MAVI optimises the room the body lives in. The two halves describe the full longevity stack, and most practitioners are quietly undoing one with the other.</description><pubDate>Mon, 04 May 2026 00:00:00 GMT</pubDate><dc:creator>Kas Bordier</dc:creator><enclosure url="https://mavilongevity.com/images/properties/mavi-r3-45.jpg" type="image/jpeg"/><category>longevity</category><category>blueprint</category><category>framework</category><category>medicine-3</category></item><item><title>A Longevity Architecture Glossary</title><link>https://mavilongevity.com/journal/longevity-architecture-glossary/</link><guid isPermaLink="true">https://mavilongevity.com/journal/longevity-architecture-glossary/</guid><description>A working vocabulary for designers, architects, and homeowners. Updated as the discipline matures.</description><pubDate>Thu, 23 Apr 2026 00:00:00 GMT</pubDate><dc:creator>MAVI Editorial</dc:creator><enclosure url="https://mavilongevity.com/images/properties/mavi-r3-90.jpg" type="image/jpeg"/><category>reference</category><category>glossary</category></item><item><title>Microbiology, the Immune Room</title><link>https://mavilongevity.com/journal/microbiology-the-immune-room/</link><guid isPermaLink="true">https://mavilongevity.com/journal/microbiology-the-immune-room/</guid><description>A correctly designed wellness suite makes the immune system stop fighting the room.</description><pubDate>Thu, 16 Apr 2026 00:00:00 GMT</pubDate><dc:creator>Kas Bordier</dc:creator><enclosure url="https://mavilongevity.com/images/properties/mavi-r3-40.jpg" type="image/jpeg"/><category>microbiology</category><category>wellness</category><category>immune</category></item><item><title>The EMF Question</title><link>https://mavilongevity.com/journal/the-emf-question/</link><guid isPermaLink="true">https://mavilongevity.com/journal/the-emf-question/</guid><description>The science is unsettled. The architecture, conservatively, is not.</description><pubDate>Thu, 09 Apr 2026 00:00:00 GMT</pubDate><dc:creator>MAVI Editorial</dc:creator><enclosure url="https://mavilongevity.com/images/properties/mavi-r3-50.jpg" type="image/jpeg"/><category>emf</category><category>technology</category><category>sleep</category></item><item><title>Biophilia and the View-Cone</title><link>https://mavilongevity.com/journal/biophilia-and-the-view-cone/</link><guid isPermaLink="true">https://mavilongevity.com/journal/biophilia-and-the-view-cone/</guid><description>Why a single tree, framed correctly, lowers blood pressure measurably more than a bedroom full of houseplants.</description><pubDate>Thu, 02 Apr 2026 00:00:00 GMT</pubDate><dc:creator>Kas Bordier</dc:creator><enclosure url="https://mavilongevity.com/images/properties/mavi-r3-35.jpg" type="image/jpeg"/><category>biophilia</category><category>mind</category><category>design</category></item><item><title>Temperature, the Quiet Conductor</title><link>https://mavilongevity.com/journal/temperature-the-quiet-conductor/</link><guid isPermaLink="true">https://mavilongevity.com/journal/temperature-the-quiet-conductor/</guid><description>A bedroom held at 22°C overnight is metabolically expensive. The body has nowhere to put its heat.</description><pubDate>Thu, 19 Mar 2026 00:00:00 GMT</pubDate><dc:creator>Kas Bordier</dc:creator><enclosure url="https://mavilongevity.com/images/properties/mavi-r3-75.jpg" type="image/jpeg"/><category>temperature</category><category>sleep</category></item><item><title>The Acoustic Baseline</title><link>https://mavilongevity.com/journal/the-acoustic-baseline/</link><guid isPermaLink="true">https://mavilongevity.com/journal/the-acoustic-baseline/</guid><description>Why ambient noise, not the noise you hear, but the noise you have stopped hearing, is the largest unsolved problem in luxury residential.</description><pubDate>Thu, 12 Mar 2026 00:00:00 GMT</pubDate><dc:creator>Kas Bordier</dc:creator><enclosure url="https://mavilongevity.com/images/properties/mavi-r3-60.jpg" type="image/jpeg"/><category>sound</category><category>acoustics</category></item><item><title>Water, the Overlooked Luxury</title><link>https://mavilongevity.com/journal/water-the-overlooked-luxury/</link><guid isPermaLink="true">https://mavilongevity.com/journal/water-the-overlooked-luxury/</guid><description>Filtered water at the kitchen tap is a 2010s consideration. The 2020s consideration is filtered water at every fixture, including the shower.</description><pubDate>Wed, 04 Mar 2026 00:00:00 GMT</pubDate><dc:creator>Kas Bordier</dc:creator><enclosure url="https://mavilongevity.com/images/properties/mavi-r3-15.jpg" type="image/jpeg"/><category>water</category><category>health</category></item><item><title>Light as Medicine</title><link>https://mavilongevity.com/journal/light-as-medicine/</link><guid isPermaLink="true">https://mavilongevity.com/journal/light-as-medicine/</guid><description>The most consequential drug a luxury home delivers is light. Most homes deliver the wrong dose at the wrong time.</description><pubDate>Wed, 25 Feb 2026 00:00:00 GMT</pubDate><dc:creator>Kas Bordier</dc:creator><enclosure url="https://mavilongevity.com/images/properties/mavi-r3-10.jpg" type="image/jpeg"/><category>light</category><category>circadian</category></item><item><title>The Chemistry of Stillness</title><link>https://mavilongevity.com/journal/the-chemistry-of-stillness/</link><guid isPermaLink="true">https://mavilongevity.com/journal/the-chemistry-of-stillness/</guid><description>Why the calmest rooms are not the quietest, they are the chemically silent ones.</description><pubDate>Wed, 04 Feb 2026 00:00:00 GMT</pubDate><dc:creator>Kas Bordier</dc:creator><enclosure url="https://mavilongevity.com/images/properties/mavi-r3-30.jpg" type="image/jpeg"/><category>materials</category><category>air</category><category>chemistry</category></item><item><title>The Sleep Architecture Paradox</title><link>https://mavilongevity.com/journal/sleep-architecture-paradox/</link><guid isPermaLink="true">https://mavilongevity.com/journal/sleep-architecture-paradox/</guid><description>Why your bedroom, not your supplement stack, is the most consequential intervention you have on the rest of your life.</description><pubDate>Wed, 07 Jan 2026 00:00:00 GMT</pubDate><dc:creator>Kas Bordier</dc:creator><enclosure url="https://mavilongevity.com/images/properties/mavi-r3-55.jpg" type="image/jpeg"/><category>sleep</category><category>circadian</category><category>temperature</category></item><item><title>Why Your Home Is Making Her Symptoms Worse</title><link>https://mavilongevity.com/journal/her-hormonal-health/</link><guid isPermaLink="true">https://mavilongevity.com/journal/her-hormonal-health/</guid><description>The spaces women inhabit either amplify hormonal chaos or provide biological refuge. Most homes were designed during an era when medicine was studied exclusively on male physiology.</description><pubDate>Tue, 06 Jan 2026 00:00:00 GMT</pubDate><dc:creator>Kas Bordier</dc:creator><enclosure url="https://mavilongevity.com/images/journal/her-hormonal-health.webp" type="image/jpeg"/><category>womens-health</category><category>hormones</category><category>inflammation</category></item><item><title>The New Luxury: Why the Next £100M Property Sale Will Be Biology-First</title><link>https://mavilongevity.com/journal/the-new-luxury/</link><guid isPermaLink="true">https://mavilongevity.com/journal/the-new-luxury/</guid><description>Jefferies London Prime Real Estate says UHNW buyers are shifting from finishes to biology-first homes built for sleep, air quality, recovery, and performance. The benchmark for trophy property is changing.</description><pubDate>Tue, 06 Jan 2026 00:00:00 GMT</pubDate><dc:creator>Damien Jefferies</dc:creator><enclosure url="https://mavilongevity.com/images/journal/the-new-luxury.jpeg" type="image/jpeg"/><category>real-estate</category><category>uhnw</category><category>prime</category></item><item><title>The Perimenopause Design Gap</title><link>https://mavilongevity.com/journal/the-perimenopause-design-gap/</link><guid isPermaLink="true">https://mavilongevity.com/journal/the-perimenopause-design-gap/</guid><description>&quot;I don&apos;t feel like myself.&quot; This is how perimenopause begins for most women. For 7 to 10 years, they will navigate the zone of chaos with virtually no support, in homes never designed for the transition.</description><pubDate>Tue, 06 Jan 2026 00:00:00 GMT</pubDate><dc:creator>Kas Bordier</dc:creator><enclosure url="https://mavilongevity.com/images/journal/the-perimenopause-design-gap.webp" type="image/jpeg"/><category>perimenopause</category><category>womens-health</category><category>hormones</category></item><item><title>The Vault Theory</title><link>https://mavilongevity.com/journal/the-vault-theory/</link><guid isPermaLink="true">https://mavilongevity.com/journal/the-vault-theory/</guid><description>Your home is not just where you live. It is the most consistent variable in your health equation, and likely the most overlooked investment in your wealth.</description><pubDate>Tue, 06 Jan 2026 00:00:00 GMT</pubDate><dc:creator>Kas Bordier</dc:creator><enclosure url="https://mavilongevity.com/images/properties/mavi-r3-90.jpg" type="image/jpeg"/><category>health-asset</category><category>longevity</category><category>roi</category></item><item><title>The Verified Home</title><link>https://mavilongevity.com/journal/the-verified-home/</link><guid isPermaLink="true">https://mavilongevity.com/journal/the-verified-home/</guid><description>Most luxury homes feel healthy. Few can prove it. A verified home treats biology like a design requirement, not a vibe, with measurable targets, pass/fail thresholds, and a verification protocol at handover.</description><pubDate>Tue, 06 Jan 2026 00:00:00 GMT</pubDate><dc:creator>Shouka Amirsolimani</dc:creator><enclosure url="https://mavilongevity.com/images/journal/the-verified-home.jpeg" type="image/jpeg"/><category>verification</category><category>commissioning</category><category>standards</category></item><item><title>Thermal Comfort Is a Health System, Not a Setting</title><link>https://mavilongevity.com/journal/thermal-comfort-health-system/</link><guid isPermaLink="true">https://mavilongevity.com/journal/thermal-comfort-health-system/</guid><description>Thermal comfort is regulated by the hypothalamus. Disruption affects mood, performance, and productivity, with profound chemical changes when buildings are too cold or overheated.</description><pubDate>Tue, 06 Jan 2026 00:00:00 GMT</pubDate><dc:creator>Olga Turner Baker</dc:creator><enclosure url="https://mavilongevity.com/images/journal/thermal-comfort-health-system.webp" type="image/jpeg"/><category>thermal-comfort</category><category>overheating</category><category>cold-stress</category></item><item><title>Rhythm-First Living</title><link>https://mavilongevity.com/journal/rhythm-first-living/</link><guid isPermaLink="true">https://mavilongevity.com/journal/rhythm-first-living/</guid><description>Sleep is only one chapter of circadian health. Your home writes the rest. Daylight, electric light spectra, blackout, temperature, air, and acoustics, all commissioned to perform.</description><pubDate>Mon, 22 Dec 2025 00:00:00 GMT</pubDate><dc:creator>Shouka Amirsolimani</dc:creator><enclosure url="https://mavilongevity.com/images/journal/rhythm-first-living.jpeg" type="image/jpeg"/><category>circadian</category><category>commissioning</category><category>whole-home</category></item><item><title>Longevity Architecture: The New Frontier of Health and High Performance</title><link>https://mavilongevity.com/journal/longevity-architecture-frontier/</link><guid isPermaLink="true">https://mavilongevity.com/journal/longevity-architecture-frontier/</guid><description>For the world&apos;s most driven individuals, health has become a second job. The body is not the problem. The environment is.</description><pubDate>Mon, 15 Dec 2025 00:00:00 GMT</pubDate><dc:creator>Kas Bordier</dc:creator><enclosure url="https://mavilongevity.com/images/properties/mavi-19-meditation-rotunda.jpg" type="image/jpeg"/><category>foundations</category><category>performance</category><category>environment</category></item><item><title>What Architecture Forgot</title><link>https://mavilongevity.com/journal/what-architecture-forgot/</link><guid isPermaLink="true">https://mavilongevity.com/journal/what-architecture-forgot/</guid><description>A building technique that has kept interiors cool for over 3,000 years without electricity. We know about it. Engineers have modelled it. And the standard response is still a sealed glass box.</description><pubDate>Wed, 10 Dec 2025 00:00:00 GMT</pubDate><dc:creator>Kas Bordier</dc:creator><enclosure url="https://mavilongevity.com/images/journal/what-architecture-forgot.webp" type="image/jpeg"/><category>vernacular</category><category>thermal-mass</category><category>ventilation</category></item><item><title>The Water in Your Home Is Not What You Think It Is</title><link>https://mavilongevity.com/journal/the-water-in-your-home/</link><guid isPermaLink="true">https://mavilongevity.com/journal/the-water-in-your-home/</guid><description>The water you drink is a fraction of the water your body encounters every day. The largest chemical exposure most people never think about is the water flowing through every room of their home.</description><pubDate>Wed, 03 Dec 2025 00:00:00 GMT</pubDate><dc:creator>Kas Bordier</dc:creator><enclosure url="https://mavilongevity.com/images/journal/the-water-in-your-home.webp" type="image/jpeg"/><category>water</category><category>pfas</category><category>filtration</category></item><item><title>The Future of Healthy Homes</title><link>https://mavilongevity.com/journal/future-of-healthy-homes/</link><guid isPermaLink="true">https://mavilongevity.com/journal/future-of-healthy-homes/</guid><description>The home of the future will know you. It will understand your circadian rhythm, sense when you are stressed, monitor air quality in real time, and respond to your biology.</description><pubDate>Wed, 26 Nov 2025 00:00:00 GMT</pubDate><dc:creator>Kas Bordier</dc:creator><enclosure url="https://mavilongevity.com/images/journal/future-of-healthy-homes.webp" type="image/jpeg"/><category>technology</category><category>smart-home</category><category>integration</category></item><item><title>Biophilic Design: Why Your Brain Needs Nature</title><link>https://mavilongevity.com/journal/biophilic-design-brain-needs-nature/</link><guid isPermaLink="true">https://mavilongevity.com/journal/biophilic-design-brain-needs-nature/</guid><description>Humans evolved in natural environments. Our nervous systems are calibrated to those conditions. Modern life has placed us somewhere radically different, and the mismatch has consequences.</description><pubDate>Wed, 19 Nov 2025 00:00:00 GMT</pubDate><dc:creator>Kas Bordier</dc:creator><enclosure url="https://mavilongevity.com/images/journal/biophilic-design-brain-needs-nature.webp" type="image/jpeg"/><category>biophilia</category><category>wellbeing</category><category>nature</category></item><item><title>Biophilic Design Beyond Plants</title><link>https://mavilongevity.com/journal/biophilic-design-beyond-plants/</link><guid isPermaLink="true">https://mavilongevity.com/journal/biophilic-design-beyond-plants/</guid><description>You are treating a biological problem with aesthetic solutions. You are putting a bandage on a building that is silently attacking your physiology.</description><pubDate>Wed, 12 Nov 2025 00:00:00 GMT</pubDate><dc:creator>Kas Bordier</dc:creator><enclosure url="https://mavilongevity.com/images/journal/biophilic-design-beyond-plants.webp" type="image/jpeg"/><category>biophilia</category><category>nervous-system</category><category>design</category></item><item><title>The Light in Your Home Is Lying to You</title><link>https://mavilongevity.com/journal/light-in-your-home/</link><guid isPermaLink="true">https://mavilongevity.com/journal/light-in-your-home/</guid><description>Not too much light or too little, but the wrong light at the wrong time. Modern lighting is quietly reshaping your biology in ways you cannot feel until the damage is done.</description><pubDate>Wed, 05 Nov 2025 00:00:00 GMT</pubDate><dc:creator>Kas Bordier</dc:creator><enclosure url="https://mavilongevity.com/images/journal/light-in-your-home.webp" type="image/jpeg"/><category>light</category><category>circadian</category><category>hormones</category></item><item><title>The Biology of Indoor Air Quality</title><link>https://mavilongevity.com/journal/biology-of-indoor-air-quality/</link><guid isPermaLink="true">https://mavilongevity.com/journal/biology-of-indoor-air-quality/</guid><description>The air inside your home is likely more polluted than the air outside. This counterintuitive fact holds true even in cities with significant outdoor air pollution.</description><pubDate>Wed, 29 Oct 2025 00:00:00 GMT</pubDate><dc:creator>Kas Bordier</dc:creator><enclosure url="https://mavilongevity.com/images/journal/biology-of-indoor-air-quality.webp" type="image/jpeg"/><category>air</category><category>ventilation</category><category>cognition</category></item><item><title>How Your Home Affects Your Sleep</title><link>https://mavilongevity.com/journal/how-your-home-affects-sleep/</link><guid isPermaLink="true">https://mavilongevity.com/journal/how-your-home-affects-sleep/</guid><description>You have tried everything: blue light glasses, sleep supplements, consistent bedtimes. Yet quality sleep remains elusive. The problem might not be your habits. It might be your home.</description><pubDate>Wed, 22 Oct 2025 00:00:00 GMT</pubDate><dc:creator>Kas Bordier</dc:creator><enclosure url="https://mavilongevity.com/images/journal/how-your-home-affects-sleep.webp" type="image/jpeg"/><category>sleep</category><category>bedroom</category><category>environment</category></item><item><title>What Is Longevity Architecture?</title><link>https://mavilongevity.com/journal/what-is-longevity-architecture/</link><guid isPermaLink="true">https://mavilongevity.com/journal/what-is-longevity-architecture/</guid><description>A design philosophy that treats the built environment as the first layer of health, recognising that the spaces we inhabit shape our biology before any conscious behaviour enters the equation.</description><pubDate>Wed, 15 Oct 2025 00:00:00 GMT</pubDate><dc:creator>Kas Bordier</dc:creator><enclosure url="https://mavilongevity.com/images/journal/what-is-longevity-architecture.webp" type="image/jpeg"/><category>foundations</category><category>philosophy</category></item></channel></rss>