major depressive disorder

(Newser) - Doctors use it as an anesthetic and ravers use it to hallucinate, but a new study indicates that ketamine might have another trick up its sleeve: treating depression. A new study found that the drug the kids call "Special K" is effective at treating major depression compared to an...

(Newser) - It's a counterintuitive idea, but depression could actually be a good thing. The Independent addresses the question by looking at studies and talking to experts and depression sufferers. Though not everyone agrees, a surprising number seem to think the answer is yes: Those who suffer depression and come out...