Soccer concussion rates for teen girls rival football, study says
NFL executive: Guardian Caps could one day be used in games
What It Means to Leave Football Early - WSJ
If in doubt, sit them out: New concussion guidelines for grassroots sport, News News
5 NFL players who were sent into retirement by concussions
Eagles LB Nakobe Dean out, CB James Bradberry in concussion protocol
Raiders QB Jimmy Garoppolo (concussion) ruled out vs. Chargers
What Packers' Financials Reveal About NFL Concussion Settlement
Helmet Innovation: More and Better Choices, Fewer Concussions
In A First, NFL Executive Admits Football Is Linked To Brain Damage : The Two-Way : NPR
New devices, practice habits aim to curb concussions in high school football
Women's World Cup: What are players wearing on their necks?