In attention deficit data, growing worry over diagnoses

... These rates reflect a marked rise over the last 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.tampabay.com/news/nation/in-attention-deficit-data-growing-worry-over-diagnoses/2112346