A beer a day may boost your gut microbiome

Can a beer a day keep the doctor away? New research from Portugal found that men who drank one can of alcoholic or nonalcoholic lager a day for four weeks improved the diversity of their gut microbiome, the collection of microbes that live in the intestinal tract.

A more diverse gut microbiome is linked to a lower risk of heart disease, diabetes, and severe COVID, so – by promoting bacterial diversity – beer may help prevent these outcomes, the study suggests.

While these cheerful findings stand out amid increasing evidence that no level of alcohol, even in small or moderate amounts, is good for you, this study found that a once-daily beer may benefit the gut microbiome regardless of its alcohol content, although nonalcoholic beer may still be the healthier choice.

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