The Diary Of A CEO with Steven Bartlett
Vitamin D Expert: The Fastest Way To Dementia & The Dangerous Lie You've Been Told About Sunlight!
17 Jul 2025
Is your daily routine ruining your health? Is THIS habit silently triggering dementia? Vitamin D Expert Dr. Roger Seheult reveals how sunlight exposure, caffeine intake, and sleep can impact cancer risk, accelerate dementia, and fry your dopamine brain! Dr. Roger Seheult is a world-leading doctor in internal medicine, lung health, critical care, and sleep medicine. As co-founder of MedCram, he’s helped millions understand how vitamin D, sunlight, mitochondria, and circadian rhythms impact disease, brain health, and longevity. In this powerful interview, he explains: ◻️How just 2 minutes of morning sunlight can boost dopamine by 250%. ◻️The daily habit increasing your cancer risk (and how to fix it). ◻️What caffeine does to your sleep, hormones, and mental clarity. ◻️How red and infrared light boost your mitochondria. ◻️How sleep, light, and nutrition create a blueprint for longevity. 00:00 Intro 02:27 What Is Roger Aiming to Accomplish? 03:28 The 8 Pillars of Health 09:13 Story of Henry: A Fungal Lung Disease Patient 20:40 Why Our Mitochondria Need Sunlight 27:46 Sunlight and Viruses: Impact on COVID-19 30:00 Vitamin D and Lower Risk in COVID Patients 33:55 Benefits of Using Infrared Light Devices 47:50 Could More Sunlight Help You Live Longer? 51:20 Does the Sun Really Cause Melanoma? 54:37 Are Humans Meant to Live Outside? 57:31 Is It Worth Wearing an Infrared Light Mask? 59:31 How to Get Infrared Light on a Cloudy Day 01:08:14 Optimal Time of Day to Get Sunlight 01:09:34 Circadian Rhythm and Light Exposure 01:11:28 Benefits of SAD Light Therapy 01:13:02 Can Looking Through a Window Help Circadian Rhythm? 01:15:11 Why Should We Avoid Bright Screens at Night? 01:17:31 Should the Bedroom Be Completely Dark at Night? 01:19:23 Do Vitamin D Supplements Work? 01:21:14 Possible Consequences of Vitamin D Overdose 01:22:02 The Role of Vitamin D in the Body 01:24:00 Do Cravings Signal Nutrient Deficiencies? 01:25:35 Water’s Role in the Body 01:27:20 Interferons and the Innate Immune System 01:32:52 Importance of Hydration for Fighting Infections 01:34:35 Should We Use Hot and Cold Therapy Together? 01:36:10 Impact of Tree Aromas on Immunity 01:38:44 Do Indoor CO₂ Levels Matter? 01:39:30 How Can We Optimize Indoor Air Quality? 01:40:37 Faith as a Way to Deal With Stress and Anxiety 01:42:42 Conditional vs. Unconditional Forgiveness and Stress 01:45:55 Are People Who Believe in God Generally Healthier? 01:47:34 Roger’s Experience Witnessing Death 01:49:14 A Miraculous Story: Anoxic Brain Injury Recovery 01:59:17 Should Hospital Patients Be Taken Outside? 01:59:57 Are Melatonin Supplements Good for Sleep? 02:00:45 Side Effects of Melatonin Supplements Follow Dr Roger: Youtube - https://bit.ly/452IbrP X - https://bit.ly/3Udq5NA Instagram - https://bit.ly/3UgDLaA 📃 Research document: https://bit.ly/44Kh1pL 💡You can find out more about the light therapy lamp mentioned, here: https://amzn.to/4lXsUyc 💡You can find out more about the Aranet4 CO₂ meter mentioned, here: https://bit.ly/4lIvRmk The Diary Of A CEO: ⬜️Join DOAC circle here - https://doaccircle.com/ ⬜️Buy The Diary Of A CEO book here - https://smarturl.it/DOACbook ⬜️The 1% Diary is back - limited time only: https://bit.ly/3YFbJbt ⬜️The Diary Of A CEO Conversation Cards (Second Edition): https://g2ul0.app.link/f31dsUttKKb ⬜️Get email updates - https://bit.ly/diary-of-a-ceo-yt ⬜️Follow Steven - https://g2ul0.app.link/gnGqL4IsKKb Sponsors: Linkedin Jobs - https://www.linkedin.com/doac KetoneIQ - Visit https://ketone.com/STEVEN for 30% off your subscription order Stan Store - https://stevenbartlett.stan.store/ Learn more about your ad choices. Visit megaphone.fm/adchoices
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