NFL safety: How VICIS' position-specific helmets have become all the rage - The Athletic
We Can Make Football Safer - Scientific American
NFL, NFLPA approve new helmet that quarterbacks can wear to reduce concussions
Football helmets are creating more problems than they solve
Diving Headfirst Into Football Season With A New Look At Concussion Research - Science Friday
New 'Collar' Aims to Help Shield Brain From Concussion - Consumer Health News
CWU football players wear extra helmet layer to prevent concussions
New NFL quarterback helmet aims to help combat concussion effects
Revolutionary new ZERO1 football helmet may help NFL players reduce concussions
New helmet-mounted sensor aims to combat the dangers of concussions in football - Deseret News
What are Guardian Caps? NFL players sport specialty helmets for 2022 minicamp