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Healing the Brain

Early in his research career, Emory University neuroscientist Donald Stein realized that female rats healed more quickly from brain injuries than their male counterparts. He theorized it was due to the presence of progesterone. The hormone is now in national and international trials and, if all goes well, could become a go-to treatment for traumatic brain injuries—as well as possibly strokes and brain tumors.

This article originally appeared in our November 2013 issue.