'Half' Of The NFL Takes Adderall, Says Seahawks Cornerback Richard Sherman

After failing a drug test himself, Seattle Seahawks' defensive back Richard Sherman now claims that half of the players in the NFL are taking some kind of ADHD medication.

http://www.medicaldaily.com/articles/14613/20130410/richard-sherman-adhd-adderall-ritalin-half-nfl.htm