Does Shining Blue Light on Skin Really Affect Sleep?

Found on: http://feedproxy.google.com/~r/bulletproofexec/~3/21timVxjiBA/

Back in 1998, researchers made an extraordinary discovery: shining blue light on the back of your knees could reset your internal clock. It brought up a fascinating possibility: that your skin can absorb light and send signals that change your brain. Science, the biggest research publication in the world, named the study one of the […]

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