Certainly, our work has identified CTE in many professional football players, but we're also seeing it in a very high percentage of college players.

I'm concerned about the future of football, because we have paid a lot of attention to concussions. We are more aware of concussions. But it's really the repetitive minor injuries, the ones that are asymptomatic that occur on almost every play of the game, the sub-concussive hits: that's the big problem for football.

It's almost un-American to say that you want to change football.

Ann McKee Quotes