Kevin R. Murphy, Ph.D., is Chief of the Adult Attention Deficit Hyperactivity Disorder Clinic at the University of Massachusetts Medical Center in Worcester, Massachusetts. He is a member of the advisory board of Children and Adults with Attention Deficit Disorders (CH.A.D.D.), which is the leading ADD organization in America, with over 25,000 members. Dr. Murphy has written extensively on the subject for professional publications and regularly speaks to and conducts workshops for professionals and lay audiences across the country. He lives in Shrewsbury, Massachusetts. Suzanne LeVert is a health and medical writer with seven health care titles to her credit. She lives in Boston.