CTE explained: What we know (and still hope to) 20 years after landmark paper based on late Steeler Mike Webster ...

Webster, who finished his career with two seasons with the Kansas City Chiefs, was later found to have suffered from CTE, which led to his early death at age 50 in 2002.

Mike Webster, a center for the Pittsburgh Steelers, died of a heart attack at age 50 and was posthumously diagnosed with CTE after struggling with various mental health issues in his post-NFL life ...