Built By Data: NFL Helmet Innovation
Football helmet joins fight vs. head injuries - The Boston Globe
NFL Helmet Manufacturer Warned On Concussion Risk
This is DeSean Jackson's new anti-concussion helmet
New Smart Helmet Could Spot Concussions in Real Time
NFL, Players Union Agree to Change Concussion Protocol - The New York Times
Urgent next step on football head injuries is a truly comprehensive database
New Football Helmet Could Save the Sport
Football Helmets Do Little to Protect Against Concussions: Study
Can Custom-Fit Football Helmets Protect Athletes From Brain Trauma?, Chicago News
Football helmets don't protect against concussion — and we're not sure what does
How Different Are Dogfighting and Football?