12 Celebrities with Mental Illnesses

Michael Phelps - ADHD

Michael Phelps, American swimmer and the most decorated Olympian of all time, was diagnosed with attention deficit hyperactivity disorder in grade school after his teachers noticed he was unable to sit still and was unfocused during the day.

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Review Date: 
December 3, 2013

Citation: 
Last Updated:
July 1, 2014