Over the past decade, most of us have converted our home lighting to light-emitting diode (LED) bulbs, as they save a significant amount of energy, requiring 75-90% less energy than older incandescent lights. Personally, I converted the 50 or lightbulbs in my house to nearly all LEDs.Most current LEDs emit, of course, visible light. But they also emit a significant amount of blue light and very little red and infrared (IR), in contrast to old-fashioned incandescent bulbs that emit some blue and a lot of red and IR. Remember when you had to change an incandescent bulb when it died? If you tried to unscrew it, it could burn your hand because the bulb was extremely hot. That’s the effect of red and IR that generates heat. Change a LED bulb and you can do so immediately, as the bulb is cool, even after dying just moments earlier. This is due to the absence of significant amounts of red and IR.While well-intended to save energy, it is now becoming clear that the wholesale conversion to blue-emitting LED lighting has been exerting adverse health effects, especially visual. So let’s begin talking about the role of light, specifically blue wavelengths in this episode of the Defiant Health podcast, then about the role of red and IR in a future episode. _______________________________________________________________________________For BiotiQuest probiotics including Sugar Shift, go here.A 15% discount is available for Defiant Health podcast listeners by entering discount code UNDOC15 (case-sensitive) at checkout.*_________________________________________________________________________________Get your 15% Paleovalley discount on fermented grass-fed beef sticks, Bone Broth Collagen, low-carb snack bars and other high-quality organic foods here.* For 12% off every order of grass-fed and pasture-raised meats from Wild Pastures, go here._____________________________________________________________________________MyReuteri and Gut to Glow can be found here: oxiceutics.comSupport the showYouTube channel: https://www.youtube.com/@WilliamDavisMD Blog: WilliamDavisMD.com Membership website for two-way Zoom group meetings: InnerCircle.DrDavisInfiniteHealth.com Books: Super Gut: The 4-Week Plan to Reprogram Your Microbiome, Restore Health, and Lose Weight Wheat Belly: Lose the Wheat, Lose the Weight and Find Your Path Back to Health; revised & expanded ed

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