Youth Football Helmet Ratings
Study: Newer Football Helmets Could Slash Concussion Risks
Everything you need to know about the NFL's helmet guidelines and restrictions - Canal Street Chronicles
Helmet Innovation: More and Better Choices, Fewer Concussions
Guardian Caps - Are the soft-shelled football helmet covers effective at limiting head injuries? - ESPN
Football helmets don't provide much protection from concussions, study suggests - CBS News
Football's Concussion Crisis Is Awash With Pseudoscience
How New Helmet Technology Will Make the NFL and NHL Safer, News, Scores, Highlights, Stats, and Rumors
Athletic Trainer Mythbusters Myth #1: Concussion Prevention - The Center for Physical Rehabilitation
NFL exec suggests Guardian Caps worn to protect players during practices could one day debut in games
Super Bowl: How to Make Football Safer
How Much Protection Do Football Helmets Offer?, Science
Built By Data: NFL Helmet Innovation
Study questions effectiveness of new football helmet technology for young athletes - WHYY