Editorial Board

Football's Most Dangerous Practice

Confronting head injury will require changes to programs at every level.

Practice makes perfect head injuries.

Photographer: Derek Davis/Portland Press Herald via Getty Images

For the National Football League, the news on head injuries gets worse and worse. New research that examined the brains of 91 deceased football players found signs of a disease called chronic traumatic encephalopathy, or CTE, in 96 percent of them. This is in line with much other evidence that the hazards of professional football extend well into players' retirement. 

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