A recent report released by the Centers for Disease Prevention and Control (CDC) shows that nearly one in ten of all U.S. children are diagnosed with attention deficit hyperactivity disorder (ADHD). This number, which represents a 22 per cent increase in the past five years, is attributed to increased awareness and better screening. However, not all experts agree, especially when most European countries cite a 5 per cent incidence of ADHD in children. The CDC study was also based on reports given by parents without clear documentation of how the diagnosis was made. In addition, wide variations exist in reported rates of ADHD in different parts of the country, suggesting that different diagnostic criteria are being used. The highest incidence of ADHD is reported in Alabama and the lowest incidence in Colorado.

ADHD is characterized by symptoms of hyperactivity, inattention or impulsivity, symptoms everyone has from time to time. However, …