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We’ve been told for decades to stay out of the sun, wear more sunscreen, and avoid UV exposure at all costs. But what if we got the story wrong?

In this episode, I sit down with Jonathan Jarecki, a biology student and one of the brightest young voices in the sunlight and circadian health space. We unpack the growing body of research on sunlight, mitochondria, metabolism, blood sugar regulation, cardiovascular health, and why our modern indoor lifestyles may be contributing to many of the chronic health issues we see today.

Topics Discussed:

→ Is sunlight actually good for your health?

→ Are LED lights harming your metabolism?

→ Can sunlight improve blood sugar levels?

→ Does sun exposure increase skin cancer risk?

→ How does morning sunlight affect your circadian rhythm?

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On This Episode We Cover:

→ 00:00:00 - Introduction

→ 00:00:35 - Jonathan’s Background

→ 00:04:04 - People Photosynthesize

→ 00:07:59 - Sunlight + Metabolic Health

→ 00:14:21 - CGM Research

→ 00:19:25 - Sunlight Comes First

→ 00:21:52 - LED Light Risks

→ 00:24:59 - Light Deficiency + Modern Disease

→ 00:30:31 - Incandescent vs. LED Lighting

→ 00:34:59 - Circadian Rhythms + Natural Light

→ 00:38:36 - Sun Exposure, Skin Cancer + Longevity

→ 00:42:37 - Melanoma Myths + UV Exposure

→ 00:45:08 - Sunlight, Mortality + Cardiovascular Health

→ 00:50:18 - The Risk vs. Benefit of Sun Exposure

→ 00:52:12 - Nitric Oxide, Blood Pressure + UV Light

→ 00:55:28 - Why Humans Are Addicted to the Sun

→ 00:59:06 - Sunlight, Vitality + the Blue Zones

→ 01:01:02 - Morning Sunlight + Cortisol Regulation

→ 01:05:24 - Cold Exposure + Circadian Health

→ 01:08:08 - Jonathan's Cortisol Experiment

→ 01:11:00 - Breathwork, Stress Resilience + Mindset

→ 01:13:03 - Where to Find Jonathan

→ 01:13:49 - Outro

Further Listening:

→ EP. 254: How Middle Aged Women Can Use Near Infrared Sauna To Detox And Heal

→ EP. 54: Safe Sunning - Solo Episode

Check Out Jonathan:

→ Instagram

→ Website

→ https://thesignal.riverside.com/

→ https://x.com/Jonathanjarecki
Disclaimer: Information provided in this podcast is for informational purposes only. This information is NOT intended as a substitute for the advice provided by your physician or other healthcare professional, or any information contained on or in any product. Do not use the information provided in this podcast for diagnosing or treating a health problem or disease, or prescribing medication or other treatment. Always speak with your physician or other healthcare professional before taking any medication or nutritional, herbal or other supplement, or using any treatment for a health problem. Information provided in this blog/podcast and the use of any products or services related to this podcast by you does not create a doctor-patient relationship between you and Dr. Tyna Moore. Information and statements regarding dietary supplements have not been evaluated by the Food and Drug Administration and are not intended to diagnose, treat, cure, or prevent ANY disease.