Doctors solve strange case of the brewing bladder

Experiment shows the woman was telling the truth and hadn't had a drink - despite her urine tests

US doctors have reported the unusual case of a woman whose bladder naturally brews alcohol, labelling her condition ‘urinary auto-brewery syndrome’.

The 61-year-old US woman had been on a waiting list for a liver transplant, but urine tests for alcohol repeatedly came back positive, despite her assertions that she had not had a drink.

The Pittsburgh doctors eventually devised a laboratory experiment to demonstrate that yeast in her bladder could ferment sugar to produce ethanol, they report in the Annals of Internal Medicine.

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