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ADD/ADHD is the most commonly diagnosed disorder of childhood, estimated to affect 3 to 5 percent of school-age children, and occurring three times more often in boys than in girls. It is estimated that on average about one child in every classroom in the United States needs help for this disorder.
No one knows for sure whether the number of people with ADD/ADHD has risen, but it is very clear that the number of children identified with the disorder who get treatment has risen over the past decade. This could be due to greater media interest, heightened consumer awareness, and the availability of effective treatments. Other countries are observing a similar pattern. Whether the frequency of the disorder itself has risen remains unknown, and needs more research.
First answer by Chris. Last edit by Chris. Question popularity: 175 [recommend question]
