New mortality study links CTE to three‑quarters of NFL deaths The analysis released this week shows that 75% of NFL players who died over a 15‑year span carried the neuropathological hallmarks of chronic traumatic enc…

Diagnosing CTE in the living: the Fred McNeill case For decades the only definitive CTE diagnosis required an autopsy. That rule was challenged last month when Dr. Bennett Omalu presented evidence that a former Minnes…

The scientific debate: prevalence versus existence Not everyone accepts CTE as a distinct disease. A 2013 study led by neurologist Christopher Randolph argued that the presence of tau protein alone does not prove a un…

Legal, league, and research response The NFL publicly acknowledged a link between football and CTE in 2016 and settled a class‑action lawsuit in 2015, offering up to $5 million per retired player for serious head‑trau…