'One in five US teenage boys' diagnosed with ADHD

... parents from 2011 to 2012. The report said that 15 percent of school-age boys in the United States have received an ADHD diagnosis, compared to seven percent among girls. An estimated 6.4 million children ages 4 through 17 have received an ADHD ...

http://www.turkishpress.com/news.asp?id=383750