Abnormal Levels of a Protein Linked to C.T.E. Found in N.F.L Players' Brains, Study Shows - The New York Times
NFL Concussions Fast Facts
How NCAA Football Can Finally Limit Concussions - Global Sport Matters
Experts uncertain of benefits of new wearable device to prevent brain injuries - ABC News
Head Injuries & American Football - Ethics Unwrapped
Autopsy finds severe brain trauma in ex-NFL player accused of shooting 6 people
Do Brain Injuries Affect Women Differently? - The New York Times
Guardian cap' to prevent head injuries mandated for practices, CFL says
N.F.L.'s Flawed Concussion Research and Ties to Tobacco Industry - The New York Times
Traumatic brain injuries Nature Reviews Disease Primers
The Forgotten History of Head Injuries in Sports
40 percent of former NFL players suffer from brain injuries, new study shows - The Washington Post
NFL hopes to reduce head injuries with helmet experiment
New Study Finds Brain Damage in Living Ex-NFL Players
N.F.L.'s Concussion Protocol Under Scrutiny After Tagovailoa Injuries - The New York Times