Nearly 75% of ex-NFL players who died from 2008-2023 had CTE, study finds

Nearly 75% of NFL players who died betwixt 2008 and 2023 had chronic traumatic encephalopathy, oregon CTE, a caller survey led by Boston University researchers finds.

CTE is simply a degenerative encephalon illness that is recovered successful radical who person suffered repeated blows to the head. It tin lone beryllium definitively diagnosed aft death. CTE has been discovered successful shot players arsenic good arsenic different athletes, archetypal responders and subject members.

The survey published successful JAMA Network Open shows however CTE, seldom seen successful the wide population, is acold much communal among deceased NFL players, pb writer Julia Gallini said successful a statement.

"With CTE consistently recovered successful little than 1% of donors to assemblage encephalon banks, an estimated 75% prevalence among NFL players who died implicit a 16-year play is concerning, and suggests we request to summation efforts to enactment families, diagnose CTE during life, and dainty CTE-related symptoms," Gallini said.

CTE survey findings

B.U. said the caller findings physique connected a study released successful August, which estimated that anyplace from 25% and 98% of ex-NFL players who died betwixt 2016 and 2021 had CTE. 

"The wide scope reflected uncertainty astir however typical encephalon donors were of the wide NFL population," B.U. said successful a statement. "Brain donors are much apt to person symptoms believed to beryllium related to CTE, a conception known arsenic enactment bias."  

In the caller study, 362 of 387 deceased ex-players were recovered to person immoderate signifier of CTE. But to antagonistic the enactment bias, researchers factored successful that erstwhile NFL players with cognitive symptoms were 5 times much apt to person their brains donated to science.

"They utilized this estimated enactment ratio to set the 94% prevalence of CTE observed among encephalon donors to an wide estimation of 74.5%," B.U. said.   

The authors noted that the survey lone progressive NFL players who person died and does not foretell however galore surviving erstwhile oregon progressive players mightiness person CTE.  

"It's hard to larn what the guys who built the crippled person suffered through," erstwhile NFL backmost Matt Hasselbeck, an ambassador for the study, said successful a statement. "We person to larn from this information to marque the crippled safer, due to the fact that we can't judge these numbers for the adjacent procreation of players."  

NFL and NFLPA respond to CTE study

The NFL said successful a connection that it "continuously strives to marque the crippled of shot safer, including by implementing strategies to trim concussions and caput impacts." It pointed toward the instauration of amended instrumentality similar Guardian Caps and regularisation changes designed to support players safe.

"The NFL remains committed to ensuring that the NFL assemblage has entree to a robust - and expanding - acceptable of resources to heighten their carnal and intelligence wellbeing," the NFL said. "We promote erstwhile players to utilize these resources to place and question attraction erstwhile they are acrophobic astir their health."

The NFL Players Association said the survey is 1 of galore that are "critical" to knowing the semipermanent wellness impacts of football. 

"The NFLPA remains committed to supporting technological research, investing successful resources that assistance players' carnal and intelligence well-being, and expanding entree to attraction truthful that they tin acquisition improved wellness outcomes during and aft their playing careers," the national said. 

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