A pediatrician diagnosed the Olympic Swimming Champion, Michael Phelps, with ADHD when he was in the sixth grade. He started taking the drug Ritalin. Though the drug did help him with his jumpiness and inattention in the classroom, he was not happy. He found it embarrassing to have the school nurse come remind him to take his Ritalin in front of his friends. His teacher told his parents that he would never succeed at anything because of his inability to focus.