element in the incidence of attention deficit disorder Attention Deficit Disorder (ADD) and Attention Deficit Disorder with hyperactivity (ADHD). The occurrence of many

families where ADD and ADHD disorders exist is convincing evidence. ADD is inattentive type of disorder while ADHD is a disorder with hyperactivity, but both can cause difficulty in completing school work and assignments in a timely manner. Either can affect a child's ability to keep track of their homework, belongings, and responsibilities.

Yet this is probably not the whole story. If, as seems possible, the incidence of ADD or ADHD is increasing, then factors other than the genetic

must be related and deeply studied. The US National Ambulatory Medical Care Survey reports that "the estimated number of office-based visits documenting a diagnosis of ADHD among children increased from 947,208 in 1990 to 3,234,180 in 1998" (Robson). From many...