ADHD may emerge in adulthood for some: studies

Attention deficit hyperactivity disorder (ADHD) is widely considered a condition that affects children, but some people may not develop it until they become adults, international researchers said Wednesday. Two separate studies from Britain and Brazil, published in the Journal of the American Medical Association (JAMA) Psychiatry, suggest that late-onset ADHD may be its own distinct disorder, since many young adults diagnosed with ADHD did not have the disorder as children. "Our research sheds n