What is ADHD Disorder?
Attention Deficit Hyperactivity Disorder, also known as ADHD, or ADHD disorder, is a behavioral condition that generally starts in childhood and affects about three to seven percent of school-aged children. In the United States, it is estimated that 4.5 million children under the age of 17, have been diagnosed with ADHD disorder as of 2006. Approximately 60% of the children who have been diagnosed with ADHD continue to have symptoms of the disorder into adulthood. It is believed that four percent of the adult population of the United States, or approximately eight million people, has adult ADHD.
