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[HEALTH] · United States · 31 sources

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Part of situation: NFL player neurological health research (2 clusters)

Boston University study estimates 75% of deceased NFL players had CTE

NFL chronic traumatic encephalopathy CTE Boston University brain health

A new study published in JAMA Network Open estimates that approximately 75% of former NFL players who died between 2008 and 2023 showed signs of chronic traumatic encephalopathy (CTE). The research, led by scientists at the Boston University CTE Center, analyzed data from 396 donated brains and combined it with death records for 1,966 other former players.

While 93.5% of the donated brains showed signs of CTE, researchers adjusted for selection bias, noting that players with cognitive symptoms were about five times more likely to have their brains donated. After accounting for this, the estimated prevalence for the broader group of deceased players was approximately 74.5%.

The study also found that roughly 27% of the former players were estimated to have had dementia during their lifetime. CTE is a neurodegenerative disease linked to repeated head impacts and is characterized by an abnormal buildup of tau protein in the brain. It can currently only be definitively diagnosed after death.

The NFL Players Association described the findings as “critical” to understanding the sport’s long-term impacts. In response, the NFL stated it is committed to making football safer by implementing strategies to reduce concussions and head impacts.

Entities

Boston University · JAMA Network Open · NFL Players Association · National Football League · Yorghos Tripodis

Claims

What the coverage asserts, and how many sources carry each claim.

Sources

Study estimates 75% of NFL players who died over 15-year span may have had CTE [www.nbcnews.com]
Το 75% των παικτών του NFL ενδέχεται να είχε εγκεφαλοπάθεια [odelalis.gr]
Nearly 3 in 4 NFL players who died over 15-year span had CTE: peer-reviewed study [offthepress.com]
New NFL CTE estimate raises questions about kids' football safety [spotonalabama.com]
Nearly 3 in 4 NFL players who died over 15-year span had CTE: peer-reviewed study [justthenews.com]
New study estimates about 3 in 4 former NFL players had CTE [www.101espn.com]
Study Estimates 74.5% of Deceased Former NFL Players Had CTE [medicalresearch.com]
New Study Estimates Three in Four Former NFL Players Died With CTE | The Ritz Herald [ritzherald.com]
News & Headlines | BrainLine [www.brainline.org]
New study estimates about 3 in 4 former NFL players had CTE [abc30.com]
死亡した元NFL選手、4人中3人が慢性外傷性脳症だった　米最新研究 [www.cnn.co.jp]
New study estimates about 3 in 4 former NFL players had CTE [abc7ny.com]
Les trois quarts des joueurs de football de la NFL pourraient se retrouver avec CTE [issues.fr]
New study suggests 3 in 4 former NFL players who died from 2008 to 2023 had CTE [krdo.com]
Το 75% των νεκρών παικτών του NFL σε διάστημα 15 ετών έφερε σημάδια Χρόνιας Τραυματικής Εγκεφαλοπάθειας [www.lifo.gr]
New study suggests 3 in 4 former NFL players who died from 2008 to 2023 had CTE [localnews8.com]
Patriots Coach Mike Vrabel Reacts to Alarming Results From CTE Study of NFL Players [nesn.com]
Il 75% dei giocatori ha accusato problemi al cervello, lo studio che preoccupa la NFL [www.senzalinea.it]
Study estimates 75% of NFL players who died in recent years had signs of CTE (Video) [www.socialnews.xyz]
New study estimates about 3 in 4 former NFL players had CTE [6abc.com]
New study estimates about 3 in 4 former NFL players had CTE [abc11.com]
New study estimates about 3 in 4 former NFL players had CTE [abc7chicago.com]
New study estimates about 3 in 4 former NFL players had CTE [abc7news.com]
Doença cerebral pode ter atingido 3 em cada 4 ex-jogadores da NFL, estima estudo [exame.com]
New study suggests 3 in 4 former NFL players who died from 2008 to 2023 had CTE [kesq.com]
Estudio: 3 de cada 4 exjugadores de la NFL que murieron entre 2008 y 2023 tenían encefalopatía traumática crónica [kvia.com]
New study estimates 75 percent of former NFL players who died from 2008 to 2023 had CTE [www.nbcsports.com]
NFL's 99% CTE Figure Was Inflated, But The Corrected Rate Is Still 74.5% [studyfinds.com]
Staggering 74.5% of NFL players who died from 2008 to 2023 likely had CTE, study finds [triblive.com]
Boston University study estimates nearly three-quarters of NFL players who died in a 16 year period had CTE [www.wbur.org]
Study estimates 75% of NFL players who died in recent years had signs of CTE [www.cbsnews.com]