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Bipolar disorder is a pernicious psychiatric illness with long-lasting effects on all aspectsof an affected individual’s life: social, family, and work. The most severe form of bipolar disorder, bipolar I, has a lifetime prevalence of 1%. The inclusion of less severeforms of the illness, such as bipolar II and cyclothymia, increases the prevalence of bipolardisorder to between 2% and 7%.1‘ ‹