Sound advice for parents whose kids have trouble concentrating According to the National Institutes of Health, an estimated five to ten percent of children suffer from Attention Deficit Disorder (ADD) or Attention Deficit Hyperactivity Disorder (ADHD). This book provides answers for parents of children who may have either condition, as well as for adult sufferers. Written in a friendly, easy-to-understand style, it helps people recognize and understand ADD and ADHD symptoms and offers an authoritative, balanced overview of both drug and non-drug therapies.