In this episode of the Evolving Wellness Podcast, we’re joined by Dr. Roger Seheult, an ICU physician, pulmonologist, and sleep expert, who’s also the founder of the wildly popular YouTube channel MedCram. Dr. Seheult reveals the surprising connection between light exposure and health, discussing how hospital lighting environments are contributing to illness and the critical role of circadian rhythms in healing. He shares fascinating insights from his research and practical advice on improving circadian health, including the benefits of infrared light, forest bathing, and aligning with natural sunlight. From shift work impacts to the science of daylight savings and even melatonin myths, this episode is packed with valuable tips and eye-opening information for optimizing your health through better light management.

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Timestamps:

00:00:00 - Introduction
00:03:31 - The MedCram YouTube Channel
00:04:47 - Discovering Circadian Biology
00:08:59 - The Benefits of Infrared Light
00:11:26 - Why You Can’t Biohack Light
00:13:08 - Case Study: Light’s Role in COVID-19
00:15:30 - The Healing Power of Nature
00:19:41 - The Science of Circadian Rhythms & Light Exposure at Night
00:24:02 - Hormonal Health & Cancer Rates
00:26:04 - Shift Work and Night Shifts
00:28:43 - How Daylight Savings Affects Flu Spikes
00:30:27 - Harvard Kennedy School Study: Sunlight & Flu Prevention
00:33:38 - The Dangers of Over-Supplementation
00:36:19 - Practical Tips for Night Shift Workers
00:38:53 - Ketosis, Intermittent Fasting, and Circadian Health
00:39:43 - The Link Between Eating at Night and Rectal Cancer
00:45:45 - Breakfast vs. Dinner: Timing and Health Benefits
00:48:08 - Medication Timing and Its Impact on Circadian Rhythms
00:50:15 - Training Your Circadian System for Optimal Health
00:51:03 - Why We Crave Snacks at Night
00:55:33 - Changing the Medical System
01:03:33 - UV Light and the Risk of Skin Cancer
01:07:44 - The Truth About Melatonin Supplementation

Check Out Dr. Roger:

This video is not medical advice & as a supporter to you and your health journey - I encourage you to monitor your labs and work with a professional!

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The Federal Drive with Terry Gerton -- Monday, June 23, 2025