Scientists uncover a difference between the sexes
Sex does matter: Key molecular process in brain is different in males and females
http://www.sciencedaily.com/releases/2015/08/150812135651.htm
That has been known for a very long time.They are just now getting to the details.Just as heart disease in women doesn't usually present the same as it does in men, but nobody knew why.They are beginning to find out now. It's fascinating stuff.