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Blood pressure and stroke risk increase steadily with increasing alcohol intake, and previous claims that 1-2 alcoholic drinks a day might protect against stroke are dismissed by new evidence from a genetic study involving 160,000 adults.

Pint of beer on a bar table

Studies of East Asian genes that strongly affect how much alcohol people choose to drink show that alcohol itself directly increases blood pressure and the chances of having a stroke, according to a new study published in The Lancet. It was known that stroke rates were increased by heavy drinking, but it wasn’t known whether they were increased or decreased by moderate drinking. 

Find out more (Nuffield Department of Population Health website)

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