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During the last one hundred years scientists and doctors have been studying why some people can not stay still and pay attention. The first documented mention in a Medical text of was in 1904 in the British journal Lancet. The Story of Fidgety Philip "Let me s ....

Middle of Essay
.... patients with Attention Deficit Disorder were concidered stupid and lazy. At this point medicine and psychology begin to study the causes for people to have reduced attention spans. The studies of the disorder quickly lead to both chemical differences and genenic links observed in patients . ADHD, once called hyperkinesis or minimal brain dysfunction, is one of the most common mental disorders among children. It affects 3 to 5 percent of all children, perhaps as many as 2 million American children. Two to three times more boys than girls are affected. On the average, at least one child in every classroom in the United States needs help for t ....