The most wasteful "brain drain" in America today is the drain in the kitchen sink.

. . . congenital killers and criminals are possessed of not one but two Y chromosomes, bearing a double dose, as it were, of genetically undesirable maleness.

Men insist that they don

...congenital killers and criminals are possessed of not one but two Y chromosomes, bearing a double dose, as it were, of genetically undesirable maleness.

Humans living alone typically have lots of other social contact -- at work, shopping, on the phone, social outings.

Stress hormones go up in runners and yet, under certain circumstances, these hormones don't affect the brain in a negative way.