Episode #611: Does Light Impact Cellular Health and Inflammation More Than Food? With Dr. Sara Pugh

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In This Episode:

Most of us think nutrition is the biggest driver of inflammation and cellular health. But what if the real answer lies in something far simpler—and often overlooked?

In this episode, I interview quantum biologist Dr. Sara Pugh and we uncover how light shapes your metabolism, hormones, and energy production in ways food alone can’t explain.

Why Sunrise Matters More Than You Think

The first light of the day doesn’t just look beautiful—it programs your circadian rhythm, switches on key hormones, and sets your metabolism in motion.

Missing this daily reset can throw off your body clock and ripple through everything from your mood to your weight.

The Hidden Dangers of Blue Light

Artificial light at night may be spiking your cortisol and blood sugar as much as junk food. Dr. Pugh explains how “malillumination” confuses your mitochondria, drives cravings, and contributes to chronic inflammation.

Light, Water, and Cellular Repair

From infrared therapy to structured water and omega-3 fats, this episode reveals how natural inputs beyond food fuel your mitochondria and repair your cells. You’ll walk away with practical, free tools to transform your energy, sleep, and resilience.

  • 00:00 Understanding the Benefits of Sunrise and UV Light
  • 02:23 Introduction to Dr. Sara Pugh and Quantum Biology
  • 03:11 The Importance of Sunlight and Mitochondrial Health
  • 15:26 The Role of UVA and UVB Light in Health
  • 20:39 The Impact of Light on Metabolism and Hormones
  • 25:54 Structured Water and Its Health Benefits
  • 32:32 The Power of Keystone Bacteria
  • 32:35 Why Most New Year’s Resolutions Fail
  • 32:53 The Problem with Probiotics
  • 33:44 A Nine-Day Fasting Experiment
  • 36:30 Understanding Leptin and Its Effects
  • 37:49 The Role of Blue Light and Vitamin A
  • 38:29 The Leptin Melanocortin Pathway
  • 38:56 Low Leptin and Its Causes
  • 41:55 The Importance of Lab Testing
  • 43:12 Breaking a Long Fast: Lessons Learned
  • 46:17 The Benefits of Sauna and Cold Therapy
  • 50:09 Cold Face Plunge: A Simple Hack
  • 53:15 Connecting with Nature and Embracing Discomfort
  • 55:14 Balancing Cortisol and Growth Hormone
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Dr. Jockers

Dr David Jockers is passionate about seeing people reach their health potential in mind, body and spirit. He is the host of the popular “Dr Jockers Functional Nutrition” podcast and the author of the best-selling books, “The Keto Metabolic Breakthrough” and “The Fasting Transformation.”

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