http://www.nytimes.com/2014/12/02/sports/baseball/drug-testing-increases.html 2014-12-02 07:08:16 Drug Testing Increases Adderall, for attention deficit disorder, led to 8 of the 10 positive tests for stimulants under baseball’s drug program, Major League Baseball said. === While 113 players had exemptions in the past year to use banned substances to treat attention deficit hyperactivity disorder, Adderall led to 8 of the 10 positive tests for stimulants under baseball’s drug program, Major League Baseball said.