At Last, Football Faces Concussion Problems Head-On : NPR
NFL CMO Dr. Allen Sills explains importance of mandated guardian
More padding the issue of concussions and better helmets
NFL's use of Guardian padded helmet caps in camp draws support and
Puffy, spongy Guardian Caps could help curb NFL head injuries
Guardian Caps are the latest effort to address CTE, football
NFL players don Guardian Caps, designed to protect from concussion
New football helmet 'could reduce head injuries' but top expert
EXPLAINER: NFL using helmet caps for player safety, research
Camp report: Tre Flowers, Mike Hughes step in with Jeff Okudah out