A study published Tuesday in the British Medical Journal has put a number to what many in football have long feared. At least one in four NFL players who died between 2016 and 2021 had chronic traumatic encephalopathy, the degenerative brain disease better known as CTE.

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Repetitive head impacts in youth sports cause irreversible CTE. Pre-teen children should never absorb repeated blows to the head.

Levantamento analisou 235 cérebros de atletas que morreram entre 2016 e 2021