Column: Time for empathy about concussions in football
American football: Brain disease CTE found in 99% of NFL players
Former NFL Quarterback Ken Stabler Had CTE
Trial starts in concussion case of dead USC football player
On C.T.E. and Athletes, Science Remains in Its Infancy - The New
Former NFL quarterback Ken Stabler had brain disease CTE
Brain disease CTE found in more than 100 former football players
5 NFL Athletes Who Had CTE
Houston star JJ Watt says NFL concussions are to be expected