Landmark study finds three in four NFL players die with CTE

The staggering new estimate is based on an analysis of thousands of former players’ medical records

一项针对两千多名已故前NFL球员的研究估算，约四分之三的人去世时患有慢性创伤性脑病（CTE）。研究者通过校正脑组织捐赠者的选择偏差得出这一比例，但强调这仍是模型估算，且缺乏未接触冲撞运动的对照组。