New helmet design can deal with sports' twists and turns | University of California
Football Helmets Do Not Protect Against Side Impact Concussions - Strom Law Firm
Dallas-Fort Worth high school helmets and concussions
How well do football helmets protect players from concussions?
High school helmets: Much changed, but how much they protect against concussions is questionable, experts say | Local News | Selma / Kingsburg | hanfordsentinel.com
New helmet design can deal with sports' twists and turns | Berkeley
High school helmets: Much changed, but how much they protect against concussions is questionable, experts say | Local News | Selma / Kingsburg | hanfordsentinel.com
More padding the issue of concussions and better helmets
Modern football helmets no better than 'leatherheads' at protecting against concussions, study finds | MinnPost
Crimson look to helmets in fight against concussions – Harvard Gazette
Headgear Manufacturers Would Be Wise To Have Concussion Warnings – Combat Sports Law
NFL Helmet Manufacturer Warned On Concussion Risk | FRONTLINE
Football Helmet Misconceptions: Q&A | Concussion.org
A concussion-proof helmet? It doesn't exist today ... and may be an impossible dream - cleveland.com
The Best Concussion-Proof Helmets | Time
Guardian Caps - Are the soft-shelled football helmet covers effective at limiting head injuries? - ESPN
Flexible NFL helmet aims to reduce head injuries
Wearing headgear for sport does not protect against concussion, Australian experts warn | Concussion in sport | The Guardian
Beyond the Helmet: Protecting the Brain of Your Athlete | UNC Health Talk
Helmets, mouthguards: Is there 'concussion-proof' equipment for fall sports? | Rothman Orthopaedic Institute
