|  | AKA: manic-depression 
 This disorder is characterized by alternating periods 
                        of extreme moods. For example, a period of mania may be 
                        characterized by excessive energy, restlessness and/or 
                        irritability. This period of mania may be followed by 
                        a period of depression characterized by feelings of hopelessness 
                        and a lack of energy.
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