Mariah Carey recently opened up about her struggle with bipolar disorder.
As an assistant professor of psychiatry, I see her courage as an opportunity to explain bipolar disorder, a mood disorder that includes episodes of elevated mood, as well as episodes of depression.
There are two common types:
Bipolar I disorder includes manic episodes in which a person experiences heightened or, at times, an irritable mood, for at least a week. This includes high energy, inflated self-esteem, reduced need for sleep, talkativeness or pressured speech, overspending, reckless risky behavior, racing thoughts, increased goal-directed behavior and a substantially increased sex drive.