The Indoor Epidemic: Why Sunlight Is the Missing Prescription
About this episode
David and Jessica discuss the health impacts of insufficient sunlight exposure and the concept of the 'Indoor Epidemic'.
We spend 87% of our time indoors and another 6% in cars. That’s nearly our entire waking lives trapped under fluorescent lights, staring at screens, sealed off from the very environment our bodies were built for. A recent Vice article put it bluntly: Americans are living in a sunlight famine, and it’s quietly wrecking our health. In this episode, David and Jessica dig into the growing body of science behind what researchers are calling the “Indoor Epidemic.” Sunlight isn’t just nice to have; it’s a biological necessity. It regulates your circadian rhythm, triggers vitamin D synthesis, supports cardiovascular health, and keeps your nervous system in balance. Without it, the signals your body depends on to function simply don’t arrive. The symptoms are everywhere. People feel exhausted but can’t sleep. Anxious but unfocused. Wired at night, foggy in the morning. Doctors are seeing it show up clinically as elevated cortisol, disrupted melatonin, impaired glucose control, and lower heart rate variability. We’ve normalized feeling terrible — and we’ve been blaming the wrong things. David and Jessica break down: Why our homes, offices, and cars are the new health hazard hiding in plain…
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