Notable injuries, news from Sunday's Week 12 games
Sidelined By Brain Injury, Ex-NFL Player Copes With 'Desperation' : NPR
Kickoff rule tied to fewer concussions in new research
Aaron Rodgers opens up about concussions
NFL Concussion Data Spotlights Increase in Injuries - ABC News
Aaron Hernandez had one documented concussion during Patriots career - The Boston Globe
Week 12 injury report for 2021 NFL season
Concussion Watch: NFL Head Injuries in Week 10
New Evidence of Brain Injury in Kids Who Play Football - The Atlantic
What NFL positions get the most concussions? - AS USA
NFL Week 12 injuries: Alvin Kamara out for Saints on Thanksgiving; Jared Goff questionable for Lions
The N.F.L. Issues New Guidelines on Concussions - The New York Times