Football safety concerns come to a head – Orange County Register
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Helmet Innovation: More and Better Choices, Fewer Concussions
NFL, NFLPA approve new helmet that quarterbacks can wear to reduce concussions
Modern football helmets no better than 'leatherheads' at protecting against concussions, study finds
Making football helmets safer to prevent concussions
Built By Data: NFL Helmet Innovation
Fantasy Football Week 8 Recap: Immediate takeaways & analysis for every game, PFF News & Analysis
NFL, NFLPA approve concussion-reducing helmet for quarterbacks
Despite concussion concerns, NFL players say game here to stay – Delco Times
Advancements in Football Helmet Technology - Information, resources and guides on Traumatic Brain Injury
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Golden: Helmet contact rule dangerous play for NFL and TV networks
Official Site of the National Football League