Alcohol-producing bacteria could cause liver disease in some people

A majority of patients with the condition had microbes churning out ethanol, researchers find

Klebsiella pneumoniae

Common gut bacteria called Klebsiella pneumoniae (shown in yellow in a scanning electron microscope image interacting with a human white blood cell) can sometimes churn out alcohol, which may contribute to fatty liver disease in people who don't drink heavily.

NIAID/Flickr (CC BY 2.0)

Friendly gut bacteria that make their own alcohol may seem like the life of the party.