Bipolar Disorder, Volume 5

Bipolar disorder is a serious mental disorder involving episodes of serious mania and depression and affects approximately one to three percent of the population. The person's mood usually swings from overly high and irritable (mania) to sad and hopeless (depression) and then back again, with periods of normal mood in between. According to the National Institute of Mental Health nearly two million individuals in the United States alone are diagnosed with this disorder. This title aims to provide an overview of recent research progress.