Regenerative Health with Max Gulhane, MD

Author: Dr Max Gulhane

I speak with world leaders on circadian & quantum biology, metabolic medicine & regenerative farming in search of the most effective ways of optimising health and reversing chronic disease.
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Language: en-us

Genres: Health & Fitness, Medicine, Nutrition

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Light as a Nutrient: Sunlight, Circadian Rhythm & Metabolic Health | Dr. Max Gulhane on The Signal Podcast
Friday, 12 June, 2026

I speak with Johnathan Jarecki, undergraduate science student and host of The Signal Podcast, on all things photobiology. We discuss the full solar spectrum and how ultraviolet, visible, blue, red and near-infrared light each affect human physiology, including the POMC pathway, nitric oxide and blood pressure, and the evidence on sunlight, skin cancer and the vitamin D paradox. We also discuss how artificial light at night suppresses melatonin and disrupts the circadian control of DNA repair, cardiovascular health, and metabolism. TIMESTAMPS03:25 Dr. Max Gulhane04:02 Dr. Gulhane's Love for Science and Medicine09:01 What is Light?12:52 Sunlight Broken Down as a Nutrient14:02 Ultraviolet Light: Sunlight Is More Than Vitamin D15:56 POMC21:38 UVA/UVB on Cardiometabolic Health24:40 Big Picture of UV Light28:41 Sunlight, Skin Cancer, Dermatology Messaging, The Vitamin D Paradox35:10 Blue Light, Artificial Light at Night (ALAN), Mechanisms38:50 Sponsor: Daylight Computer40:34 ALAN, Epidemiology, Cancer, Heart Disease45:04 DNA Repair Mechanisms, Circadian Control47:27 Melanopsin (OPN4), Blue Light, UV Susceptibility53:25 Red, Infrared, Photobiomodulation, Metabolism01:00:08 Blue Light, Metabolism, and the Built Environment01:05:19 Photobiology of Atherosclerosis01:10:11 Blue Light on Cardiovascular Function01:12:25 Three M's of Circadian Health01:18:43 Sunlight, Testosterone, and Reproductive BehaviorFull show notes: https://docs.google.com/document/d/15zOnh_l6WOe6237CbQrFPkeoQjUZXIm9Ul4ncQTNXDQ/edit?pli=1&tab=t.0Show sponsors:🚨 DAYLIGHT COMPUTER. Blue-light free computer that doesn't wreck your circadian rhythm. Now shipping around the world. Code DRMAX for $25 off. https://buy.daylightcomputer.com/DRMAX🥩 WOLKI FARM - Regenerative beef shipped around AUS. Highest quality fully grassfed & pastured pork, beef, lamb & eggs raised with holistic principles. Code DRMAX for 10% off. https://wolkifarm.com.au/DRMAX🚨 VIVA RAYS. Premium blue light blocking glasses with the most useful 3 in 1 clip on frame sets. Code DRMAX for 15% off. https://vivarays.com/dr-maxgulhane🚨 GEMBA RED. Highest quality photobiomodulation / redlight therapy devices, shipping within the USA. Code DRMAX for 10% off. https://gembared.com 🎤 PRIVATE MEMBERS GROUP on Skool platform - weekly Q&A, my 52-page eBook, PDF resource downloads & more. USD20/month, cancel anytime. https://www.skool.com/dr-maxs-circadian-resetFollow JOHNATHANYouTube: https://www.youtube.com/channel/UCkMeA454gd3mNubIkaSHyEgInstagram: https://www.instagram.com/jonathanjarecki/Substack: https://jonathanjarecki.substack.com/X: https://x.com/jonathanjareckiFollow DR MAXWebsite: https://drmaxgulhane.com/Private Group: https://www.skool.com/dr-maxs-circadian-resetCourses: https://drmaxgulhane.com/collections/coursesTwitter: https://twitter.com/MaxGulhaneMDInstagram: https://www.instagram.com/dr_max_gulhane/Apple Podcasts: https://podcasts.apple.com/podcast/id1661751206Spotify: https://open.spotify.com/show/6edRmG3IFafTYnwQiJjhwRLinktree: https://linktr.ee/maxgulhanemdDISCLAIMER: The content in this podcast is purely for informational purposes and is not a substitute for professional medical advice, diagnosis, or treatment. Never disregard professional medical advice or delay in seeking it because of something you have heard on this podcast or YouTube channel. Do not make medication changes without first consulting your treating clinician.Send us Fan Mail🧡 HARDBLOCK Australia's Longest Running Bitcoin-only (₿) ExchangeUse code REGENPOD for AUD 10 of bitcoin post account verification Support the show