Ritalin (methylphenidate) is a stimulant medication for the treatment of ADHD and narcolepsy. Ritalin can cause side effects and has the potential for misuse and addiction. Researchers are ...

This article was co-authored by Annika Angelo, M.S. and Nutrition Specialist, and Ludovico Saint Amour di Chanaz, Ph.D, and author of the ADHD User's Manual Attention ...

Many people believe that taking the stimulant methylphenidate (Ritalin and other brand names) before testing can hike test scores as well as improve overall attention span, whether they have ADHD or ...

termed "ascending dose," was specifically designed to avoid acute tolerance, which is believed to be the cause of the diminished effectiveness of intermediate-acting methylphenidate preparations ...