Even small amounts of alcohol reduce brain size Drinkers change the structure and size of the brain, leading to cognitive impairment. Many believe that they are not in danger if they do not exceed a certain level of alcohol consumption.. However, just a few beers or glasses of wine a week can cause similar harm..

An analysis of data from more than 36,000 adults by a team from the University of Pennsylvania found that mild to moderate alcohol consumption is associated with a decrease in overall brain volume.. Study finds link is stronger with higher levels of alcohol consumption.

For example, 50-year-olds who consume one glass of wine a day (two servings of alcohol) experience concomitant brain changes equivalent to two years of aging.. Going from two to three drinks at the same age is analogous to aging three and a half years.. The team reported their findings in the journal Nature Communications..

“These findings are contrary to scientific and government recommendations for safe alcohol restriction,” emphasizes Henry Kranzler, corresponding author, Professor of Psychiatry..

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