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By entering your email and pushing continue, you are agreeing to Fox News' Terms of Use and Privacy Policy , which includes our Notice of Financial Incentive . Having trouble? Click here. While some people might have experienced the feeling of "being drunk" the morning after they consumed excessive amounts of alcohol , is it possible to feel intoxicated without ever drinking an alcoholic beverage? Although it’s extremely rare, experts say it can happen.

The phenomenon is called auto-brewery syndrome, or ABS, according to Dr. Douglas Dieterich, M.D.

, director of the Institute for Liver Medicine at the Mount Sinai Health System in New York City . WOMEN WHO DRINK MORE THAN 8 ALCOHOLIC BEVERAGES A WEEK ARE AT GREATER RISK OF HEART DISEASE: NEW STUDY The syndrome occurs when a patient’s gut gets colonized by a fungus that metabolizes carbohydrates and sugar into alcohol through fermentation, the doctor told Fox News Digital. Before diagnosing a patient with ABS, Dieterich said that doctors "should always rule out .