An estimated 75% of professional football players who died over a 15-year span had signs of chronic traumatic encephalopathy, or CTE, a study published Wednesday found. It’s the highest estimation to date.

Source: [NBC News](https://www.nbcnews.com/health/health-news/study-estimates-75-nfl-players-died-15-year-span-may-cte-rcna605975)

Sponsored