Wisconsin Badgers players downplay concussion risks while evidence
Brain injuries shake up football coverage - Columbia Journalism Review
Concussion' doctor says kids shouldn't play contact sports until
CTE In Athletes Linked To Hits To The Head, Even Without
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Many NFL players would try to play with possible concussion
The Dangers of Untreated Concussions in Kids' Sports
Dr Bennet Omalu says kids should avoid lacrosse and soccer
The Danger We Don't Talk About In Youth Sports
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Hall of Fame QB Brett Favre says kids shouldn't play tackle