Lisa McHale never understood why her husband became addicted to painkillers. Could his brain have held the reason?
ESPN commissioned the first-of-its-kind study, and the National Institute on Drug Abuse joined as a partner.
Pain, painkillers commonplace for many NFL players, though league and medical staffs have tightened up access
First scientific study of prescription painkiller use by retired NFL players shows higher rates of misuse than general population, possibly due to use during playing days
Learn about painkiller misuse resources and treatment options, and view additional video clips and photos.