How much sunlight reaches the brain?

Much of the information about vitamin D can be found in my books and articles. In addition to the healthy affect on your skin, sunlight also provides another positive benefit. The human eye contains photosensitive cells in its retina, with connections directly to the pituitary gland in the brain. read more

I am certain that the human brain lives in total darkness. The only part of the central nervous system which can be seen from the outside is the optic disc, that tiny spot where the optic nerve joins the retina. read more

More research is needed to know for sure if upping sunlight exposure and/or vitamin D levels improves brain function. But right now, the role that sunlight and/or vitamin D play in basic brain function looks like a very promising avenue for researchers to pursue. read more