How Common Is Ritalin Abuse?

Ritalin is a brand-name medication used to treat attention-deficit hyperactivity disorder (ADHD) and the sleep disorder narcolepsy. It contains methylphenidate, a powerful stimulant capable of triggering addiction when used in excessive amounts with or without a prescription. Two federal agencies, the National Institute on Drug Abuse (NIDA) and the Substance Abuse and Mental Health Services…