Bipolar Disorder

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Bipolar I Disorder / BPI

By Kimberly Read & Marcia Purse, About.com

Updated: October 6, 2006

About.com Health's Disease and Condition content is reviewed by Steven Gans, MD

Definition:
Bipolar I Disorder - BPI for short - is an illness characterized by episodes of major depression alternating with mania. The patient may experience symptoms of psychosis such as: For more, see What is Bipolar I Disorder?

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Bipolar Disorder

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