Sunlight Matters podcast

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<div class="span index">1</div> <span><a class="" data-remote="true" data-type="html" href="/series/how-to-be-a-better-human">How to Be a Better Human</a></span>

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How to Be a Better Human

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vor 9 hoursvor 9h ago

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Join How to Be a Better Human as we take a look within and beyond ourselves. How to Be a Better Human isn’t your average self improvement podcast. Each week join comedian Chris Duffy in conversation with guests and past speakers as they uncover sharp insights and give clear takeaways on how YOU can be a better human. From your work to your home and your head to your heart, How to Be a Better Human looks in unexpected places for new ways to improve and show up for one another. Inspired by the popular series of the same name on TED’s Ideas blog, How to Be a Better Human will help you become a better person from the comfort of your own headphones. Follow Chris on Instagram at @chrisiduffy Interested in learning more about upcoming TED events? Follow these links: TEDNext: ted.com/futureyou Hosted on Acast. See acast.com/privacy for more information.

Sunlight Matters

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Welcome to Sunlight Matters, the podcast that illuminates the incredible power of the sun and its impact on our health, well-being, and way of life.

From its essential role in vitamin D production and mental health to its influence on architecture, urban planning, and sustainability, the sun shapes our world in ways we’re only beginning to understand.

In each episode, podcast host Dave Wallace will chat with experts—from scientists and health professionals to designers and outdoor enthusiasts—to explore why sunlight isn’t just a backdrop to our lives but a force that shapes everything we do. So step into the light because here, Sunlight Matters.

Photo of Sun @Andrew McCarthy Cosmicbackground.io

15 Episoden

#Fitness #Dave Wallace

Sunlight Matters

updated vor 4 Tagen

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Welcome to Sunlight Matters, the podcast that illuminates the incredible power of the sun and its impact on our health, well-being, and way of life.

Photo of Sun @Andrew McCarthy Cosmicbackground.io

15 Episoden

#Fitness #Dave Wallace

Alle Folgen

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Surviving Winter with Sunlight – A Conversation on Light, Health, and Infrared Science with Glen Jeffery, Bob Fosbury and Scott Zimmerman 1:24:16

vor 4 Tagen1:24:16

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1:24:16

In this companion episode to the Roger Seheult episode, Dave is joined by three experts—Prof. Glen Jeffery, Scott Zimmerman, and Dr. Bob Fosbury—to explore how sunlight and infrared light influence human health , particularly in the darker months when Seasonal Affective Disorder (SAD) becomes more prevalent. Dave opens up about his own experience with SAD, leading to a wide-ranging discussion of how modern indoor lighting, architecture, and urban planning fail to meet the biological needs shaped by our evolution under the sun. ☀️ Key Topics Covered: 🌤️ 1. Sunlight, Metabolism & Infrared Light Sunlight isn’t just about visible light ; it’s packed with near and mid-infrared radiation that helps us metabolize food more efficiently. Buildings and LED lighting systems block this critical part of the light spectrum, leaving our bodies in a state of "metabolic darkness." Even on cloudy days and in indirect light, infrared exposure still provides meaningful benefits. 🧬 2. The Mitochondrial Connection Mitochondria, our cells' energy centers, thrive in infrared-rich environments . There’s compelling evidence suggesting that light exposure, especially infrared, directly influences aging, energy levels, and immunity. 🏡 3. Indoor Light vs Outdoor Light Modern architecture prioritizes energy efficiency (e.g., LED lighting and infrared-reflective glass), but at a steep cost to human health . Real estate sun studies and shadow mapping in urban design must now account for solar exposure and infrared access , especially in northern latitudes. 💡 4. Incandescent vs. LED Light Debate All three experts agree: incandescent bulbs are far superior to modern LEDs in terms of health benefits because they emit full-spectrum, thermal light—including infrared. LEDs emit light for vision, not for life. This has triggered a global metabolic health crisis , especially in developed nations. 🔥 5. Practical Tips to Survive Winter Use incandescent bulbs indoors with dimmers (e.g., oven or heat lamp bulbs). Spend time outside daily , even if it's cloudy—clouds reflect valuable infrared. Install a small outdoor sun shelter or plastic greenhouse to maximize sun exposure. Use a fireplace or candles to reintroduce thermal light into the home. Saunas also provide therapeutic benefits through infrared exposure and vasodilation . Reconsider the window design, indoor layout, and lighting strategy to optimize natural light orientation . 🌎 Broader Implications: The discussion highlights how our evolutionary biology is deeply tied to the solar spectrum , yet modern society is stripping us of this essential relationship. There’s a pressing need for policy changes around building codes, indoor lighting regulations, and environmental design to restore sunlight accessibility in our daily lives.…

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Surviving Winter. You don't need to be SAD with Dr Roger Seheult 58:38

vor 12 Tagen58:38

58:38

As winter approaches in the North, the days get shorter, the skies darker, and for many of us, our energy, mood, and health start to dip. In Part 1 of a 2-part special of Sunlight Matters , Dr Roger Seheult joins Dave and Georg to share science-backed tips to help you stay healthy, energized, and resilient through the long winter nights . From understanding the hidden power of infrared light to simple daily routines that boost your immune system and mood, this episode is packed with practical advice for winter wellness —even when it’s cold, cloudy, and grey. 🌟 What You’ll Learn: Why spending just 15–20 minutes outdoors (even in cloud cover) can boost your mitochondria and mood How to make your indoor environment healthier using incandescent bulbs or even a simple fireplace What types of clothing still let infrared light through—and why that matters in winter The truth about vitamin D, UV exposure , and whether supplements or food sources are enough City dwellers : how to find hidden patches of winter sun between buildings and trees The surprising benefits of saunas, cold plunges , and honoring your body’s slower winter rhythm Why old wisdom —like afternoon walks and letting in sunlight—might be good for us ☀️ This episode is all about resetting your relationship with winter —with strategies that cost little or nothing but make a big difference. Whether you're fighting the winter blues, looking to boost your energy, or just want to stay well, these are the seasonal habits your body has been craving. 📲 Listen now and build your personal toolkit for surviving (and even enjoying) the darker months ahead.…

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Light, Rights & Urban Fights: Daylight in a Densifying World 38:22

vor 25 Tagen38:22

38:22

In this thought-provoking episode of Sunlight Matters , we travel across Europe to explore how daylight access , sunlight rights , and urban densification intersect—and often clash. Joining us are three brilliant minds working at the forefront of daylight analysis and sunlight legislation : 🌞 Mina Gaarder – A Civil Engineer based in Norway who recently completed a master’s thesis on daylight in dense urban areas , comparing regulatory frameworks in Norway, Sweden, the UK, and the U.S. She brings a research-driven lens to how daylight affects housing quality, health, and urban form. 🌞 Susanne Höglin – Stockholm-based building permit architect and former case manager at Stockholm Municipality. Now working at ACC Glas och Fasadkonsult , she investigates how urban densification affects daylight access in existing buildings and how legislation is keeping pace (or not). 🌞 Eftychia Stamataki – Architect and energy-efficient buildings expert , originally from Greece and now based in Stockholm. At ACC Glas och Fasadkonsult , she leads projects on daylight and sunlight studies , as well as thermal comfort , and advocates for the better integration of sunlight in early-stage urban design. Together, we unpack: 🌇 The difference between daylight and sunlight —and why it matters 🏙️ How shadow mapping tools like Shadowmap empower citizens to challenge poor planning ⚖️ Why laws protecting existing building light access missing or weak in many countries 📐 How older urban codes used geometry to protect sunlight—and what we’ve lost in the digital age 🗣️ Why public education and democratization of urban design are vital to fair development If you're interested in sunlight analysis , urban planning best practices , or want to understand how sun exposure impacts health and housing quality , this episode is for you. 🔦 Don’t miss this deep dive into the bright side of building cities better .…

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Fitness, the Sun and Winter Protocols 57:21

vor 6 weeks57:21

57:21

In this episode, we are joined by David Herrera, better known online as The Solar Athlete, who brings a unique blend of engineering, biology, and real-world coaching to the conversation. From his backyard in high-altitude Wyoming, David shares the incredible journey that took him from world-class powerlifter and oilfield technician to a leading voice on circadian biology , light hygiene , and solar optimization for human performance . In this episode, we dive into: ☀️ Why sunlight exposure is the most overlooked tool for boosting vitality, performance, and sleep quality 🌡️ How cold and solar exposure work together to regulate metabolism, brain function, and melanin repair 📶 What happens when you're living next to a cell tower, and why EMF awareness is critical to long-term health 🏠 The role of melanin as a biological semiconductor — and how to use it like solar tech for your body 🧊 Simple, science-backed winter protocols to stay tuned to natural rhythms — including outdoor exposure, infrared light, and the surprising benefits of staying cold 💡 Practical strategies for working with — not against — the seasons using light, timing, and indoor environment tweaks 🏙️ And why sunlight analysis , shadow mapping , and smart home orientation should be a priority in architecture, urban planning, and real estate design Whether you’re an athlete, architect, health hacker, or someone trying to shake off the winter blues, this is your blueprint for living in alignment with the original energy source of life : the Sun. 🔥 Tune in and discover how to create your own seasonal protocol , master light exposure , and reclaim the natural intelligence of your biology, One Sunrise at a Time.…

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Sunlit Computers with Peter Veto and Liliana Lettier of Pixun 49:24

vor 6 weeks49:24

49:24

What if your computer screen could heal you instead of harming you? In this episode of Sunlight Matters , we’re joined by Dr Peter Veto and Liliana Lettieri , the visionary team behind Pixun — a company pioneering solar-powered, full-spectrum displays that use real sunlight instead of artificial backlighting. Peter and Liliana share their personal journeys with light sensitivity , screen-induced insomnia , and EMF-related health issues , and how those struggles inspired them to engineer a radically new type of screen — one that brings the entire solar spectrum indoors using fiber optics and rooftop solar collectors . We dive into: Why most screens today are making us tired, sick, and unfocused The science behind sunlight exposure , blue light toxicity , and circadian disruption How Pixun’s screens deliver natural light through displays , supporting everything from sleep health to vision and cellular function Real-world applications for urban living , real estate sun studies , architecture , and workspace wellness How tools like shadow mapping and sunlight analysis can optimize solar collector placement for homes and commercial buildings Whether you’re a parent worried about your child’s screen time, an architect exploring better building orientation, or a company looking to improve employee wellness through sunlight-optimized tech — this episode will change the way you think about screens forever.…

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From Riot Police to Sunlight Healer: Theresa Bug on Trauma, Circadian Health & Natural Living.. Alles Wird Gut! 1:17:34

vor 9 weeks1:17:34

1:17:34

In this powerful and eye-opening episode, Dave speaks with Theresa Bug , a former German police officer turned online health coach, holistic nutritionist , and advocate for natural light, grounding, and mitochondrial health . 🌿 Theresa shares her inspiring journey from a high-stress career in law enforcement—across Paris, London, Israel, and Africa—to deep healing through sunlight exposure , circadian rhythm restoration , and reconnecting with nature . Her story is a testament to the life-changing power of simple yet profound lifestyle changes. 💡 Key Topics Covered: How chronic stress and PTSD led her to holistic health The science behind morning sunlight and mitochondrial function Why grounding (earthing) and going barefoot can reset your nervous system The truth about blue light, screen time , and modern lighting The problems with supplement culture vs. real food and lifestyle How to eat seasonally and locally for optimal health and gut function Why gyms might be harming us more than helping—and how to exercise in harmony with nature Insights into raw milk, hydration, EMFs, red light, sleep, and ancestral living ☀️ This conversation explores how sunlight analysis, circadian health, and shadow-free living can transform your physical and mental health—especially in a world of artificial light, disconnected routines, and overprescribed medications. To find out more about Theresa, her Website is a great starting point: https://www.theresabug.com/home or Linkedin: https://www.linkedin.com/in/theresa-christinerangebased/…

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Designing with Sunlight: Viktoria Neumueller on Energy-Efficient Homes and Solar-Oriented Planningsode 30:08

vor 10 weeks30:08

30:08

In this illuminating episode, we're joined by Austrian engineer Viktoria Neumueller , a passionate advocate for sunlight-optimized architecture and energy-efficient building design . With a background in planning heating, cooling, and ventilation systems, Viktoria brings rare insight into how thoughtful building orientation and solar exposure can dramatically reduce heating costs, enhance comfort, and even transform quality of life. We dive deep into: Why shadow mapping and sunlight analysis should be a first step in architectural design How ignoring solar orientation can cost homeowners thousands over a building’s lifetime Viktoria's personal mission to help homeowners, builders, and architects rethink natural light integration The surprising resistance from the construction industry—and how she’s challenging it Whether you're planning a new build , renovating a home, or simply fascinated by how sunlight and design intersect , this episode will inspire a new way of seeing your space.…

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The Light Prescription: Sunlight, Infrared, Mitochondria, and Your Health with Prof Glen Jeffery 41:07

vor 13 weeks41:07

41:07

In this episode, Dave chats with Professor Glen Jeffery, a neuroscientist at University College London’s Institute of Ophthalmology, whose research investigates how light, particularly long-wavelength red and infrared, influences human health, metabolism, and ageing. Glen Jeffery is recognised as one of the world's leading researchers in exploring how light interacts with our bodies. Glen explains how sunlight penetrates the body, enhancing mitochondrial function, improving vision, and even boosting motor skills like grip strength. He warns that modern LED lighting, while energy-efficient, can harm metabolic health compared to incandescent bulbs that emit beneficial infrared light. They examine the public health consequences of our “infrared starvation,” the role of mitochondria in ageing, and the unexpectedly affordable potential solutions, such as rethinking indoor lighting and spending 20–30 minutes outdoors. Glen makes comparisons to historical issues like scurvy, emphasising the need for urgent policy reforms before our ageing, indoor-bound populations face worsening health crises. Practical advice includes seeking more natural light, using infrared-rich lighting where feasible, and adopting lifestyle changes that incorporate movement and sunlight exposure.…

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The Life-Changing Power of Sunlight: Light as Nutrition, Near-Infrared Science & Human Health 47:43

vor 15 weeks47:43

47:43

Dave speaks with Dr. Nicholas Witton , a sleep medicine and light researcher, about the critical role of natural light, especially near-infrared (NIR) light, in human health. Nicholas explains how we've shifted from living outdoors to spending over 90% of our time indoors under artificial light, particularly LEDs , which emit mainly blue light and lack the full spectrum, including the NIR wavelengths that make up over 50% of solar energy. They explore how NIR light supports mitochondrial function, ATP production, and glucose regulation , with implications for metabolic health, sleep, mood, and performance . The conversation explores how modern lighting may contribute to chronic illness and what small changes—such as morning sun exposure or switching to incandescent bulbs —can make a meaningful difference. This episode reframes sunlight as essential nutrition , not just illumination. If you're interested in sunlight analysis, real estate sun studies, shadow mapping , or optimizing your home for natural light exposure , this is a must-listen.…

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Built to Thrive: Light, Health & the Future of Architecture 38:22

vor 16 weeks38:22

38:22

What if your home or office is silently shaping your health, your mood, and even your future? In this eye-opening episode, Dave sits down with Dr. Mandana Khanie, Lecturer in Health and Wellbeing in Sustainable Buildings at UCL and Deputy Director of the Light and Lighting MSc Program. Together, they explore how the architecture of our indoor lives, where we now spend 90% of our time, profoundly impacts our biological rhythms, mental health, and long-term wellness. Mandana shares her unique journey from aspiring medical doctor to architectural engineer, and why reconnecting design with natural sunlight is essential to reversing modern public health trends. They discuss cutting-edge research on circadian rhythms, the unintended health risks of LED lighting, and how built environments could be reshaped with real sunlight exposure, shadow mapping, and human-centric design at the core. This episode is a must-listen for anyone in architecture, urban planning, real estate, or simply passionate about wellness and sustainability. Tune in to hear how we can design buildings and cities that are not only energy-efficient but biologically nourishing.…

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People, Buildings and Light 37:16

vor 19 weeks37:16

37:16

In this illuminating episode of Sunlight Matters , David Wallace is joined by Niko Gentile and Agnieszka Czachura from Lund University’s Energy and Building Design group. Together, they explore the science, perception, and policy around sunlight and daylight, and why we need to care more than ever. From the overlooked distinction between daylight and sunlight to the historical biases in building regulations, Niko and Aga take us on a fascinating journey. We discuss Agnieszka's new research into how people value sunlight in their homes today, revealing that although people still crave light, their reasons for doing so have shifted in our modern, thermally controlled, and urbanised world. We also examine how energy-efficient building codes risk undermining human well-being, why real estate agents might be the best sunlight psychologists, and how the physics of glass may be blinding us to the sun’s full health benefits. If you’ve ever felt better on a sunny day but didn’t know why, this episode is for you.…

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Buildings and Light with Paul Rogers 42:08

vor 25 weeks42:08

42:08

In this episode of Sunlight Matters , Dave welcomes daylight and lighting expert Paul Rogers of ACC Glass and Facade Consultants. Broadcasting from Stockholm and the UK, they explore the profound impact of sunlight and daylight on architecture, urban planning, and human well-being. From the technical distinctions between daylight and direct sunlight to the emotional resonance of a well-lit home, Paul shares decades of experience shaping buildings around solar exposure. The episode touches on key topics like shadow mapping , solar orientation in real estate , sunlight in architectural history , and why tools like Shadowmap empower a new generation of homebuyers and city dwellers. An essential listen for architects, urban planners, sustainability advocates, and anyone curious about the sunlight in their lives.…

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Sunlight and health in our modern lives with Arne Lowden 47:05

vor 28 weeks47:05

47:05

In this episode of Sunlight Matters , hosts Dave and Georg welcome Swedish sleep and light researcher Arne Lowden for a fascinating conversation about the science of light, circadian rhythms, and how our bodies and minds are profoundly shaped by solar exposure. Dr. Lowden, author of the book Survive the Winter , shares powerful insights into how lack of natural light affects sleep, mood, and long-term health, especially in northern climates. We explore the hidden costs of indoor living, the realities of “social jet lag,” and the rising demand for light therapy as a natural solution to Seasonal Affective Disorder (SAD) . Whether you're designing a sun-filled home, optimizing your daily habits, or just trying to shake the winter blues, this episode offers practical, research-backed guidance to help you reconnect with the sun and realign with your natural rhythm. What We Cover in This Episode: Why sunlight matters for physical and mental health How snow cover increases daylight exposure in winter The link between circadian rhythms and modern urban life Light therapy tips for beating seasonal depression How teenagers, shift workers, and the elderly are impacted by light deprivation The role of architecture and home design in maximizing natural light When to use blue light and when to avoid it Is red light therapy worth the hype? Why even 10 minutes of daylight in the morning matters. So find your spot in the sun, tune in, and give it a listen! Arne's book Överlev vintern , gives tips and advice on how to stay alert, sleep well and maintain a good mood even during the dark season. It can be found here: https://www.bokforlagetpolaris.se/oeverlev-vintern/t-0/9789180662611…

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Masterkey with Giulio Colleluori 23:55

vor 33 weeks23:55

23:55

Welcome to the second episode of Sunlight Matters. In this episode, we explore the fascinating connection between real estate, artificial intelligence, and the importance of sunlight with Giulio, the founder of Masterkey. Masterkey is revolutionizing the home buying experience by giving buyers the tools to make more informed decisions through AI-powered property analysis. One of the most exciting features of Masterkey is its integration of sunlight mapping, a game-changer for anyone looking to understand how natural light affects a home. Sunlight plays a crucial role in real estate, influencing everything from property values to daily comfort and even well-being. In cities like New York where high-rise buildings cast long shadows, knowing how much sunlight a property gets can make all the difference. In this conversation, we dive into how AI is helping home buyers analyze properties more efficiently, why sunlight is a key factor in making a smart investment, and how tools like ShadowMap provide valuable insight into a home’s exposure to natural light. Whether you are in the market for a new home or just fascinated by the role of sunlight in urban living, this episode is packed with insights you will not want to miss.…

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Shadowmap with Georg Molzer 25:07

vor 35 weeks25:07

25:07

In this episode of Sunlight Matters, host David Wallace interviews Georg, the founder and CEO of Shadowmap, a platform designed to visualize sunlight and its effects on various environments. Georg shares his personal journey, the technological innovations behind Shadowmap, and its applications in real estate and health. The conversation emphasizes the importance of sunlight for well-being and how Shadowmap can help users make informed decisions about property and solar energy.…

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Sunlight Matters

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