Dr. Roger Seheult, a leading expert in internal medicine, lung health, critical care, and sleep medicine, discusses how brief morning sunlight exposure can boost dopamine, the hidden habit that increases cancer risk, and the effects of caffeine on sleep and mental clarity. He explains the importance of sunlight for mitochondrial health, the role of vitamin D in reducing COVID‑19 risk, and the benefits of infrared light therapy. The interview covers circadian rhythm, the impact of bright screens at night, the effectiveness of vitamin D supplements, and strategies for optimizing indoor air quality and hydration. Key topics include the potential of sunlight to extend lifespan, the safety of melanoma risk, and practical tips for getting infrared light on cloudy days. Timestamps: 00:00 Intro, 02:12 What Is Roger Aiming to Accomplish?, 03:13 The 8 Pillars of Health, 08:58 Story of Henry: A Fungal Lung Disease Patient, 20:25 Why Our Mitochondria Need Sunlight, 27:31 Sunlight and Viruses: Impact on COVID-19, 29:45 Vitamin D and Lower Risk in COVID Patients, 33:40 Benefits of Using Infrared Light Devices, 47:35 Could More Sunlight Help You Live Longer?, 51:05 Does the Sun Really Cause Melanoma?, 54:22 Are Humans Meant to Live Outside?, 57:16 Is It Worth Wearing an Infrared Light Mask?, 59:16 How to Get Infrared Light on a Cloudy Day, 01:07:59 Optimal Time of Day to Get Sunlight, 01:09:19 Circadian Rhythm and Light Exposure, 01:11:13 Benefits of SAD Light Therapy, 01:12:47 Can Looking Through a Window Help Circadian Rhythm?, 01:14:56 Why Should We Avoid Bright Screens at Night?, 01:17:16 Should the Bedroom Be Completely Dark at Night?, 01:19:08 Do Vitamin D Supplements Work?, 01:20:59 Possible Consequences of Vitamin D Overdose, 01:21:47 The Role of Vitamin D in the Body, 01:23:45 Do Cravings Signal Nutrient Deficiencies?, 01:25:20 Water’s Role in the Body, 01:27:05 Interferons and the Innate Immune System, 01:32:37 Importance of Hydration for Fighting Infections, 01:34:20 Should We Use Hot and Cold Therapy Together?, 01:35:55 Impact of Tree Aromas on Immunity, 01:38:29 Do Indoor CO₂ Levels Matter?, 01:39:15 How Can We Optimize Indoor Air Quality?, 01:40:22 Faith as a Way to Deal With Stress and Anxiety, 01:42:27 Conditional vs. Unconditional Forgiveness and Stress, 01:45:40 Are People Who Believe in God Generally Healthier?, 01:47:19 Roger’s Experience Witnessing Death, 01:48:59 A Miraculous Story: Anoxic Brain Injury Recovery, 01:59:02 Should Hospital Patients Be Taken Outside?, 01:59:42 Are Melatonin Supplements Good for Sleep?, 02:00:30 Side Effects of Melatonin Supplements.
