This detailed booklet describes the symptoms, causes, diagnosis, and treatments, with information on getting help and coping. Interventions described herein are psychotherapy, behavior therapy, social skills training, support groups, and parenting skills training. Some simple behavioral interventions are suggested because children with ADHD may need help in organizing by scheduling their time, organizing needed everyday items, and using homework and notebook organizers. Advice is given to parents on advocating for their child in school. ADHD in teenagers and in adults are examined. This booklet is a revision of "Attention Deficit Hyperactivity Disorder," a brochure first printed in 1994 and reprinted in 1996.