American football has long been a sport riddled with debate and criticism. Surely we’ve all heard of Colin Kaepernick, who protested police brutality by kneeling during the national anthem in 2020? Have you heard the names Aaron Hernandez or Bubba Smith? These men were NFL players at one point in their lives, diagnosed posthumously with chronic traumatic encephalopathy, or C.T.E, a neurological condition related to brain trauma, along with a sizable and growing list of other NFL and contact sports players.