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blue light good!

April 1, 2009

These observations led to the discovery of an additional photo­receptor system in the retina of humans and other mammals consisting

of a small number of photosensi­­tive retinal ganglion cells (called pRGCs). These cells are most sensitive to blue light, and, significantly, blue light is most effective in alleviating the symptoms of SAD.

via Do Blind People Suffer from Seasonal Depression?: Scientific American.

Now that’s a nifty fact I didn’t know! I’ll keep that in mind when picking out paint colors and lightbulbs for our new house.


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