Defining Bipolar Disorder

Bipolar disorder (also known as manic depression) is a disease; it is a medical condition that causes psychological problems to such a degree that daily functioning is hampered by the symptoms. The most prominent symptoms include extremes of mood known as depression and mania. These emotional extremes are usually beyond normal responses to events and often last for extended periods of time. Psychosis and suicide are also concerns for those diagnosed with this disorder. Found here are articles giving more detail for defining bipolar disorder.