The Concussion Crisis in Australian Rules Football

Australian rules football is one of the world’s most violent sports. Thirty-six players careen across a massive field, where they are exposed to blindside hits and errant elbows, bruising shoulders and airborne knees. Their protection is a mouthpiece and sometimes a padded cap. Collisions can be cringe-inducing. Concussions are common.

Read more at nytimes.com.