WebMD Medical Reference in collaboration with  |
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Attention-Deficit/Hyperactivity Disorder: Your Guide to ADHD |
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| Attention deficit hyperactivity disorder (ADHD) is a developmental and behavioral disorder that affects approximately 3% to 5% of all school-age children. Although the condition usually manifests in childhood, it can persist into adulthood causing difficulties at home, at school and at work if not recognized and treated. Learn more about ADHD from WebMD and the doctors at The Cleveland Clinic. | ||||
| Get The Facts | ||||
| Tests You Take | ||||
| Treatments | ||||
| ADHD in Children | ||||
| Adult ADHD | ||||
| ADHD Bookshelf | ||||
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Reviewed by the doctors at The Cleveland Clinic Children's Hospital.
Edited by Cynthia Haines, MD, WebMD, October 2005. |
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WebMD does not provide medical advice, diagnosis or treatment. See additional information.
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