Depression is a complex and deeply personal experience. While almost everyone has periods of sadness, low mood or grief, ...

I have dissociative identity disorder, formerly called multiple personality disorder.

Too many of us lean on a couple of only a few sources for our happiness—our jobs, our partners, our children. But there is a danger in doing this?

The story of Sybil, a woman who developed 16 personalities after alleged abuse, captivated millions in the 1970s but was ...

No single ‘depression gene’ has been found, but large studies have identified over 100 genetic risk markers on chromosomes ...

Robert Dorgan, 56, who killed two people at a youth hockey game in Rhode Island on Monday, appeared to post an ominous warning just days before the shooting.