A footballer dies of dementia, younger than he should
A 14-year old-rugby player is told to play on through multiple blows. He never wakes up from the last one
A scientist reveals endemic brain disease in NFL players and is discredited
A survivor of domestic abuse can't remember details when standing up in court

This is the story of the degenerative brain disease, Chronic Traumatic Encephalopathy (CTE). This is a story of power, of science and sport, and of the bodies that society deems worth sacrificing.