Neuroscientists have long recognized that drugs affecting the brain chemical dopamine may predispose some individuals to compulsive behavior.

Financial troubles may be among the first signs of dementia, research suggests - but how would you know if it's dementia or ...

Leonardo DiCaprio has carved out a first-rate career dating back to the early-'90s. After working on such sitcoms as Growing Pains and Parenthood, he became one of the rare child ...