Demi Lovato Reveals She’s Bi-Polar

Demi Lovato - Celebrity Sighting - 2011
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"I feel like I am in control now,” she says.

A day after announcing that she is leaving Disney Channel’s Sonny with a Chance, tween star Demi Lovato has revealed that she suffers from bipolar disorder.

During a three-month stay at a treatment center where she underwent therapy for anorexia, bulimia and cutting, she tells People she learned why she was having trouble controlling her emotions and actions. 
"There were times when I was so manic, I was writing seven songs in one night and I'd be up until 5:30 in the morning,” she said. "I feel like I am in control now where my whole life I wasn't in control.” 
In a statement, the Disney Channel says: "We respect Demi's decision to focus fulltime on her music and not immediately return to her acting career," said a Disney Channel spokesperson in a statement. "She is a talented young woman and our hearts are with her as she continues to take action to improve her health and bounce back from adversity."