Mariah Carey (49) suffers from a bipolar disorder. The psychological disorder was seventeen years ago, when its been established, but the singer is now only in the People magazine to the outside. The singer of many hits, says that she a long time refused to believe that they have the condition. She also has professional help sought. She is currently in treatment, and to swallow them pills. “The medication works pretty well. I feel no side effects. Finding the right balance is the key,” says Mariah.