It is caused by a genetic chemical imbalance in the brain, although a specific genetic defect has yet to be detected. Bipolar Disorder tends to run in families, and is believed to be inherited.
Bipolar disorder is characterized by periods of mania and depression.
Mania is periods of increased energy and feelings of euphoria, and depression is periods of feeling helpless and persistently sad. Severe mania or depression may also be accompanied by periods of phycosis. Bipolar disorder is recognized by episodes of mania or depression separated by periods of wellness. Four or more episodes within a 12 month period is categorized as Bipolar Disorder with rapid cycling. A major complication with a significant number of Bipolar s is the co-occurence of alcohol or substance abuse.