How Bipolar Disorder Works

One month you're so revved about life you give up sleep just to enjoy it. The next, you're so depressed you can't get out of bed. What's the cause of these two extreme states, and how can the disorder be treated?

People who have bipolar disorder face several obstacles as a result of the illness. In addition to the stress it can place on families and interpersonal relationships, a bipolar… » Full Story on HowStuffWorks