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Using Light (Sunlight, Blue Light & Red Light) to Optimize Health
Huberman Lab
What Are Rods and Cones and How Do They Affect Your Vision?
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Photoreceptors in the back of your eye absorb light of different wave lengths, rods and cones. The other place where light can impact our body is on our surface, on our skin. People toward the equator tend to have more malan site activity than people who are located at the north pole. And so as you all know, with light exposure, those malanosites will turn on genetic programmes thatea to enhance pigmentation of the skin - we call tanning.
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