Attention Loss: ADHD may lower volume of brain

Youngsters diagnosed with attention-deficit hyperactivity disorder (ADHD) lack concentration, patience, and organizational skills. A new study reveals that the brains of these children are slightly smaller than those of their peers who are free of psychiatric disorders.

This disparity is most pronounced for the children and teenagers with ADHD who have never taken a stimulant medication, such as Ritalin, say psychiatrist F.