High schools preparing for upcoming football season, concussion prevention
With new football helmets, group aims to prevent concussions
Football helmet with liquid padding may prevent concussions
This Helmet Will Save Football. Actually, Probably Not. - The New York Times
Fight Against Concussions: New Tests Could Improve Football Helmets
Inside Slant: Re-imagining NFL helmets - ESPN - NFL Nation- ESPN
Packers RB Eddie Lacy Changes Helmets to Reduce Concussion Risk - Acme Packing Company
NFL, NFLPA approve concussion-reducing helmet for quarterbacks
Packers are using high-tech helmets in hopes of lowering concussions - The Athletic