What We’ve Learned From Two Years of Tracking NFL Concussions
(It seems that prior to 2012 concussions did not exist in the NFL. A concussion was labeled as a stinger and therefore there was NO need to keep medical records). Is that right NFL Dr. “NO” Ira Casson?
When FRONTLINE started investigating the NFL’s concussion crisis in 2012, we ran into an early stumbling block. We wanted to know how many head injuries were taking place in the league each season.