Bipolar and Mental Illnesses are written about here. Written by a bipolar person themselves.

Petite Girls Guide

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  • Why are persons with Bipolar affected so much more if they do not receive direct light everyday?

How Light Affects the Brain

“You know about rods and cones, right? Those are the two kinds of receptors in your eyeball, on your retina, for light. But you didn’t know that there is another receptor for light in the eye (I’m guessing you don’t know, because until I came across this research, I didn’t know either).”

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“Whereas the rods and cones send information to the visual cortex (the “occipital cortex”, at the back of your head), this other light receptor sends its information to your internal clock. The nerve cables from these receptors don’t even go to the vision center at all. They go straight to the middle of your brain, to a region of the hypothalamus called the suprachiasmatic nucleus, which is well known to be the location of the biological…

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