Research looked at prevalence of chronic traumatic encephalopathy in 2,362 players who died in 2008-2023

A new study published on Wednesday estimates that about 75% of former NFL players who died over a 15-year period had evidence of chronic traumatic encephalopathy (CTE).

The research, published in Jama Network Open and conducted by a Boston-based team, examined the estimated prevalence of the degenerative brain disease among NFL players who died from 2008 through 2023. Researchers found that the estimated rate of CTE among these players was substantially higher than the rates observed in brain samples collected from the general population.

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© Photograph: Stan Grossfeld/The Boston Globe via Getty Images

© Photograph: Stan Grossfeld/The Boston Globe via Getty Images

© Photograph: Stan Grossfeld/The Boston Globe via Getty Images

Mr. Bolsonaro, who lost Sunday’s presidential election, fled Brazil for the United States via Argentina after the police canceled his passport in relation to an investigation.

© Eva Marie Uzcategui/Reuters

Jonny DeLuca and pinch-hitter Ben Williamson singled home runs in a stunning 12th-inning rally, and the Tampa Bay Rays staved off World Series elimination with a 4-3 win over the Milwaukee Brewers that forced Game 5

ESPN MLB reporter Jorge Castillo joins ABC News to break down the Brewers' postseason run and the Rays' chances of a historic comeback.