More than one in 10 schoolchildren in the U.S., including 1 in five high school boys, has been diagnosed with attention deficit hyperactivity disorder, or ADHD, according to the U.S. Centers for Disease Control and Prevention.
http://au.ibtimes.com/articles/452327/20130402/adhd-diagnosis-adhd-child-diagnosis-adhd-kid-rise-rate-adhd-rate-rise-adhd-medication-rate-rise-adhd.htm
http://au.ibtimes.com/articles/452327/20130402/adhd-diagnosis-adhd-child-diagnosis-adhd-kid-rise-rate-adhd-rate-rise-adhd-medication-rate-rise-adhd.htm