What is bipolar disorder?
Bipolar affective disorder, more commonly known as bipolar disorder, is a very common psychiatric illness. Also known as manic-depressive illness (MDI), bipolar disorder is characterized by episodes of prolonged depression that alternate with episodes of mania. Between these periods of mania and depression, usually there are periods of higher functionality, in which patients lead a productive life. Bipolar affective disorder leads to severe impairment of social and occupational function with a profound impact on interpersonal relationships.