Helmet technology being used around Michigan to help detect concussions
Concussion research: VR goggles and reinventing the helmet
Jeremy Repanich: Helmets alone won't save football from concussions - Sports Illustrated
With concussions at forefront of minds, helmet designs more important
Puffy Guardian Caps Could Reduce NFL Player Concussions
Riddell's Newest Helmet – The Concussion Blog
FOOTBALL SAFETY FOR DUMMIES: Innovations to Reduce Effects of Concussi – 2nd Skull, Inc.
Inadequate Helmet Fit Increases Concussion Severity In High School Football Players – Microsite
Football Concussions: Prevention, Diagnosis & Recovery
Kansas City Researcher Says Active Helmet May Prevent Football Concussions
Football's Concussion Crisis Is Awash With Pseudoscience
New Football Helmet Could Save the Sport
NFL Helmet Manufacturer Warned On Concussion Risk
The Extra Yard: The Ins and Outs of an American Football Helmet - Stories
Large Bubble Helmets Are Guardian Caps, NFL's New Safety Measure