What is bipolar disorder?
Bipolar disorder, formerly called manic depression, is a mental disorder characterized by drastic and intense shifts in energy, mood, and activity level. Individuals can be exuberant and euphoric, irritable, severely depressed or explosive. Symptoms can include racing thoughts, impulsive behavior, self-destructive behavior and suicidal behavior. The intensity, nature, and duration of the mood episodes can vary greatly.
Are there different types of bipolar disorder and if so how do they vary?