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Driving under the Influence of Pasta

Impossible: "Innocent" man is repeatedly arrested for drunkenness, but claims not to drink; turns out he has a "mutant yeast" in his stomach which ferments ingested carbohydrates into alcohol.

Another "grain of truth" UL. Yeasts do ferment carbohydrates into ethanol; that's how beer and wine are made. Traces of ethanol have been detected people's stomachs, and levels are higher in those on acid-supressing medication, presumably because acid suppresses yeast growth (Bode, Rust and Bode, 1984). However, the levels of ethanol measured would equate to around one percent of one standard drink - nowhere near enough to put someone over the limit, or even make them tipsy.

References:

• "The effect of cimetidine treatment on ethanol formation in Bode, Rust & Bode.the human stomach."