Diving Headfirst Into Football Season With A New Look At Concussion Research - Science Friday
See the new football helmet that got funding from the NFL
Everything you need to know about the NFL's helmet guidelines and restrictions - Canal Street Chronicles
New tests for helmets proposed in concussion fight
Helmet sensors become mandatory equipment in Arena Football League
Study: Many NFL players wore low-rated helmets – The Denver Post
How NFL's latest safety measures face resistance from players - helmet rule, concussions - ESPN
Why helmets are no magic bullet for preventing concussions - WHYY
NFL hopes to reduce head injuries with helmet experiment - Seattle Sports
NFL hopes to reduce head injuries with helmet experiment