Revolutionary new ZERO1 football helmet may help NFL players reduce concussions
How football helmets fail to protect against some of the most dangerous hits in the game - The Verge
Concussion in Kids Midwest Orthopedic Specialty Hospital
Football helmets don't prevent concussions. What can?
New Smart Helmet Could Spot Concussions in Real Time
Concussion research: VR goggles and reinventing the helmet
New Football Helmet Standards To Take Effect In 2018
Can Custom-Fit Football Helmets Protect Athletes From Brain Trauma?, Chicago News
Football helmets don't provide much protection from concussions, study suggests - CBS News
Football Helmets and Concussion: Equaling the Playing Field - Advancing Your Health
More padding the issue of concussions and better helmets
The Zero1 Flexible Football Helmet May Save Players' Brains
Built By Data: NFL Helmet Innovation
Sudbury Spartans look to better helmets for protection against concussions