What is bipolar disorder?
A person with bipolar disorder has a psychiatric disorder that causes long periods of depression. The episodes of depression alternate with periods of elation, irritable behavior and thought disturbances, called mania. The episodes of depression tend to last longer than the episodes of mania. Bipolar disorder typically develops in late adolescence or early adulthood. About 5.7 million Americans are thought to suffer from bipolar disorder.

What are the symptoms of bipolar disorder?
Symptoms of bipolar disorder include long periods of depression that are followed by periods of mania. Mania is characterized by elation, high energy, and impulsive and irritable behavior.

How does the doctor treat bipolar disorder?
Treatment for bipolar disorder includes mental health counseling and medications (lithium) to control symptoms.