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Health

Man鈥檚 body brews its own beer after yeast take over his gut microbiome

By Alice Klein

20 October 2019

New Scientist. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

In rare cases, someone鈥檚 gut can make its own alcohol from carbohydrates

Jack Andersen/Getty Images

A man in the US has started producing beer in his gut after it accidentally became colonised by high levels of brewer鈥檚 yeast.

The normally healthy 46-year-old began to experience mental fogginess, dizziness and memory loss in 2011 and had to give up his job. He saw multiple doctors, but they couldn鈥檛 work out what was wrong. A psychiatrist prescribed him antidepressants in 2014, but this didn鈥檛 help.

A few months later, the man was pulled over and arrested for erratic…

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