Vikings' 2008 memo plays part in painkiller lawsuit
N.F.L. Player Calls on League to Allow Marijuana Use for Sport's Pains - The New York Times
'Life's great now' for Ryan O'Callaghan, the ex-NFL player who came out as gay
Solomon: Giant medical malpractice case rocks NFL
Study points to health disparities among former NFL players – Harvard Gazette
Former NFL Star And Shooting Survivor Stedman Bailey Talks Cannabis And His New Business Ventures
OTL: Painkiller misuse numbs NFL pain - NFL - ESPN