More Head Injuries

The NFL Competition Committee is charged with trying to make the game safer. Recent rule changes were made to reduce concussions.

The league reported that they increased from 2014 which saw 206, compared to 271 in 2015. The increase is significant, but probably a result of better concussion protocol. More players are self-reporting, although many still try to hide them out of fear of losing their playing time.

I don't think the game can completely eliminate them.