In this episode, I’m excited to share a conversation with Dr. Glen Jeffrey, a leading expert in the science of light and its impact on our health. If you’ve been listening for a while, you know I’ve talked a lot about how light affects our metabolism, mitochondria, and overall healing, but today you’re going to hear the science directly from the source. Dr. Jeffrey and I dive into how different light spectrums—from red and infrared to blue light—can influence everything from cortisol levels to mitochondrial function. This episode is a follow-up to last week’s chat with Dr. Robert Schultz, so be sure to tune in for a deeper understanding of the fascinating ways light shapes our health. Check the show notes for all the links and resources we discuss!

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Timestamps:

00:00:00 - Introduction
00:03:12 - Quantum Conversations with Dr. Glen [Guest Introduction]
00:08:30 - Cross-Species Insights: The Optics of Mitochondria
00:10:29 - The Shift from Incandescent Bulbs to Harmful Blue Light
00:14:49 - Color Perception, Eye Health & Light Exposure
00:16:11 - Blood Glucose, Metabolism, and Red Light's Impact on Glucose Tolerance
00:20:51 - Red Light vs. Natural Daylight: Benefits and Differences
00:22:15 - Optimal Times for Exposure to Light
00:26:02 - Sunlight & Red Light-Dominated Environments: Effects on Health
00:28:25 - Evolutionary Adaptations to Light Exposure
00:30:27 - Mitochondria, Melatonin, and Exclusion Zone Water: Interconnections
00:34:17 - The Impact of Office Lighting on Health
00:40:27 - Nanometer Range Light Recommendations and Their Benefits
00:47:20 - The Healing Power of Nature: Going Outside
00:49:11 - Macular Degeneration and Its Link to Light Exposure
00:55:49 - Melanin, Myopia, and Their Connection to Light
00:58:53 - Eye Shape and the Effects of Blue Light
00:59:40 - Hospital Lighting and Modifications for Better Health
01:05:53 - Low Blood Glucose & the Role of Red Light Therapy
01:07:52 - Volunteering with Dr. Glen: How You Can Get Involved
01:08:17 - Best Practices for Red Light Therapy Timing
01:13:08 - Inherited Mitochondrial Diseases: What You Should Know
01:17:44 - Key Wavelengths of Light for Health Optimization
01:19:52 - Lighting in Critical Care and Surgery: Enhancing Patient Outcomes
01:24:20 - How to Connect with Dr. Glen

Dr. Glen Jeffery:

https://www.ucl.ac.uk/biosciences/people/prof-glen-jeffery

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