Gut Microbes That Get You Drunk And Damage Your Liver

Drinking alcohol isn’t the only cause of high blood alcohol levels.

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Imagine you’re a police officer. You spot a car that’s swerving all over the road. You pull the driver over and they’re clearly intoxicated.

With slurred speech, they swear that they haven’t had a drop of alcohol all day. Would you believe them? In 2024, a Belgian man was acquitted after he was cited three times for DUI within four years. Though his job at a brewery likely raised suspicions, he insisted that he hadn’t been drinking.



Three doctors confirmed that he suffered from a condition called auto-brewery syndrome and was unaware. People with this syndrome carry microbes in their intestines that produce abnormally high levels of alcohol when breaking down sugars and carbohydrates. Though it’s a rare condition, a woman was acquitted of her DUI charge in 2016 after doctors diagnosed her with the same syndrome.

She had a blood alcohol level four times the legal limit. I am a microbiologist who is intrigued by the roles the gut microbiome plays in human health. As the author of the book “ Pleased to Meet Me: Genes, Germs, and the Curious Forces That Make Us Who We Are ,” I have done extensive research into how your microbiome affects your health, mood and behavior.

It turns out the specific species of bacteria in your intestines at the root of auto-brewery syndrome may also cause fatty liver disease by producing high levels of alcohol. Diseased Liver, Without Drinking The accumulation of excess fats in the liver can cause serious health problems, including inf.