As galore arsenic 97.7% of NFL players who died betwixt 2016 and 2021 could person had encephalon illness related to repeated blows to the head, a caller survey says.
Researchers looked astatine 878 erstwhile players who died during that period, with 235 having donated their brains to research.
Of those, 215 were recovered to person chronic traumatic encephalopathy (CTE), a degenerative encephalon illness which tin lone beryllium diagnosed aft death.
The study, published in the British Medical Journal, external, besides recovered dementia was communal among encephalon donors.
"We and others person shown that successful NFL players, specifically, determination is astir a 4 times higher complaint of decease from neurodegenerative illness than the wide population," said the report's pb writer Daniel Daneshvar, an subordinate prof astatine Harvard Medical School.
"These findings bespeak that NFL players person a higher prevalence of CTE astatine decease than has been antecedently shown successful aggregate assemblage based studies."
Researchers calculated a "conservative minimum" of CTE prevalence among those who died successful the six-year play to beryllium 24.5% - rising to a "maximum" 97.7%.
They person urged the NFL to instrumentality prevention measures to trim repetitive caput impacts crossed each levels of the sport.
English (US)·