How NCAA Football Can Finally Limit Concussions - Global Sport Matters
Football helmet with liquid padding may prevent concussions
Football's dangers, illustrated by one man's brain
History shows 'smarter' football is no match for concussion, NFL
Anti-Concussion Football Helmets Not Fully Enforced By NFL, NCAA, or U.S. High Schools
College football - Wikipedia
Study: Newer Football Helmets Could Slash Concussion Risks
As Antonio Brown saga continues, Detroit Lions explain helmet choices
Brown] All the Bills' linemen are wearing an extra helmet protection this year. It's been done in college at least a few years. First for the Bills. Believe they are Football Guardian
Explaining the NFL's latest concussion controversy and policy change : NPR
NFL hopes to reduce head injuries with helmet experiment –
Staff Debate: Do Helmets Have A Place in Women's Lacrosse?
Anti-Concussion Football Helmets Not Fully Enforced By NFL, NCAA, or U.S. High Schools
New Riddell SpeedFlex football helmet pits technology vs. concussions
A Helmet Shortage Is Hitting High School Football Across the Country - The New York Times