The Evolving Wellness Podcast with Sarah Kleiner Wellness

ICU Doctor Explains How Sunlight Deficiency & Circadian Disruption Destroys Health | Dr. Roger Seheult

Dec 4, 2024

Dr. Roger Seheult, an ICU physician and renowned YouTube educator, discusses the profound effects of sunlight and circadian rhythms on health. He reveals how hospital lighting can impede healing and shares insights on light exposure's role in conditions like obesity and depression. Listeners learn about the advantages of infrared light, the importance of outdoor exposure, and practical tips for reducing artificial light at night. Seheult also addresses meal timing for night shift workers and debunks myths about melatonin, making a compelling case for optimizing light management.

01:15:57

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Episode guests

Roger Seheult, MD

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Quick takeaways

Dr. Roger Seheult discusses how hospital lighting can negatively impact recovery rates and overall health for patients.

Circadian rhythms are vital for metabolic health, and disruptions due to artificial light can lead to severe health consequences.

Sunlight exposure, when managed correctly, is essential for improving health outcomes and reducing the risk of chronic diseases.

Deep dives

The Impact of Light on Health

The relationship between light exposure and overall health is emphasized, particularly in hospital environments where artificial lighting may contribute to patient illness. Dr. Roger Schwelt discusses how the lack of natural light can adversely affect patients’ recovery and metabolism, especially during critical care. He argues that maintaining natural light exposure can play a significant role in improving health outcomes and mitigating metabolic disorders. Connections are made between inadequate light exposure in patients and conditions such as heart disease, obesity, and other metabolic disorders.

Intro

4min

The Healing Power of Light

20min

The Health Risks of Artificial Light and Importance of Natural Sunlight

5min

The Health Impact of Sunlight Exposure

10min

Synchronizing Health: Meal Timing and Circadian Rhythms

16min

The Healing Power of Sunlight

18min

The Impact of Light on Health and Metabolism

3min

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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