19. Sunlight: Optimize Health and Immunity (Light Therapy and Melatonin)
MedCram
00:00
We're Not Getting Near Infrared Radiation
Back in the 18 hundreds, 50 % of the time we spent outdoors. We sat in front of camp fires, which gives off infared radiation. By 19 90, we had switched to florescent bulbs and plain glass windows. But today we are basically using bulbs that are only 100% in the visual spectrum. There's no infrared radiation. And so we're not getting the same type of near infra red radiation that we were once getting before.
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