When we give our children with ADHD Ritalin, we can see the changes in them. They may be able to sit still. They may be able to concentrate more and be less impulsive or hyperactive. The first day my son took Ritalin, the changes were visibly noticeable. He did not trip, he read a book, he sat through an entire family dinner without getting up or dropping things on the floor.
But how does this medication work? Scientists at Weill Cornell Medical College in New York City studied the developing...

