![Doctor for N.F.L. Says Study Overstates Effects of C.T.E. - NYTimes.com](http://1.bp.blogspot.com/-htG7vy9vIAA/Tp0KrMUdoWI/AAAAAAAABAU/e7XkFtErqsU/s1600/grey.gif)
When a government agency prepared a workplace safety fact sheet based on a study of degenerative brain disease in retired N.F.L.players, the...
When a government agency prepared a workplace safety fact sheet based on a study of degenerative brain disease in retired N.F.L.players, the...