Raiders' Jimmy Garoppolo still in concussion protocol, Raiders News
Football Stars Agree Concussion Legacy Foundation
American football is too dangerous, and it should be abolished, Dave Bry
The Injury Bug: There's growing evidence that genetics play a role in sports concussions. – Scientific Inquirer
Comparing Head Impacts in Youth Tackle and Flag Football, Concussion, Traumatic Brain Injury
NFL: Concussions drop 50% with Guardian Caps : r/nfl
Is it time to question the morality of football?
The NFL's concussion problem won't be solved with better helmets
As NFL tries to solve its growing concussion problem, a new flag football league believes it has the solution – New York Daily News
87 out of 91 Deceased NFL Players Test Positive for Brain Disease - From Frontline : r/nfl
The need to raise player safety – The Catalyst