Bipolar disorder is a mental illness that consists of both symptoms of depression, hypomania and/or mania. It is different from the normal ups and downs that everyone goes through from time to time.The different mood extremes may cycle on a weekly or monthly basis. Bipolar disorder is very serious and can result in damaged relationships, poor job or school performance, cause risky behavior, and suicidal tendencies. Bipolar disorder can be treated with therapy and medications. With treatment, people with this illness can lead full and productive lives.