NFL concussions up? The fix is easy — get rid of the helmets
How a soft-shell helmet is limiting the risk of concussions at Rutgers football camp
Helmet aims to reduce head injuries in flag football
Guardian Caps Guardian Sports
Heads-up: Tech to combat concussions - ESPN - Tech - ESPN Playbook- ESPN
Why NFL Helmets Will Never Be Concussion-Proof
South Georgia football team hopes new helmets can reduce brain injuries
Padded Helmet Shell Covers in American Football: A Comprehensive Laboratory Evaluation with Preliminary On-Field Findings
Football Helmet Misconceptions: Q&A
Are high school girls' lacrosse players at increased risk of concussion because they are not allowed to wear the same helmet boys' lacrosse players are required to wear?, Injury Epidemiology
How to Prevent Concussions in Sports - Is Football Safe for Youth?