Super Bowl 100: Can we improve concussion problem in future? - Sports Illustrated
High-tech gear aims to lessen deadly risk of football concussions
New football helmet testing proposed for concussion protection
The Longevity Project: Preventing concussions in sports and the road to recovery if it happens
This Helmet Will Save Football. Actually, Probably Not. - The New York Times
Do helmets protect against concussion? - Queensland Brain Institute - University of Queensland
Senators Challenge Sports Equipment Claims