ADHD diagnoses up sharply in past decade

... These rates reflect a marked rise over the past decade and could fuel growing concern among many doctors that the ADHD diagnosis and its medication are overused in American children. The figures showed that an estimated 6.4 million children ages 4 ...

http://www.star-telegram.com/2013/03/31/4740627/adhd-diagnoses-up-sharply-in-past.html