Is Football Worth The Brain-Injury Risk? For Some, The Answer Is No : NPR
5 NFL Athletes Who Had CTE
Brain disease affecting pro football players appears to be rare in the military, study suggests
Autopsy shows severe brain trauma in ex-NFL player who shot 6
CTE puts players, future of football in danger · The Badger Herald
Study: CTE very widespread
Scientists diagnose CTE in living NFL player, paving way to treatment
Bennet Omalu, Concussions, and the NFL: How One Doctor Changed Football Forever
How football raises the risk for chronic traumatic encephalopathy
How NCAA Football Can Finally Limit Concussions - Global Sport Matters
Many ex-NFL players had brain disease linked to concussions