19. Sunlight: Optimize Health and Immunity (Light Therapy and Melatonin)
MedCram
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Low E Glass - What's the Difference Between That and Before?
When you go outside, you can see that a vast majority of the energy coming from the sun is in the near inf spectrum. In modern society, we're not getting any, or very little, near infra red radiation. We have high solar grade low e, a little bit less. Moderate solar gradelow e glass, a little more than normal. And then very low solar gain low e glass. How can you tell whether your glass is low e? Stand in front of it when the sun is coming through it. If you feel warmth on the other side of that glass coming through, it's probably a regular glass. So this is what night time used to be. Many years
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