Ritalin is one of several stimulant medications employed in the treatment of Attention Deficit Hyperactivity Disorder. Treatment with this medicine is an appropriate intervention for ADHD, though medication does not have to be employed with all children who manifest this condition. Children have been prescribed Ritalin (generic name is methylphenidate) for many years, and there has been considerable work directed toward investigating its effects. For a thorough description of its action, consult the Physician's Desk Reference. For an exhaustive list of citations, look at the following site:
This site is sponsored by the National Library of Medicine, and includes bibliographies from 1980-1998. The information on stimulant medications, including Ritalin/Methylphenidate, is very reliable.