Drinking alcohol is the only way to get drunk for most people on the planet.
There are a few individuals, however, who can let their hair down and get drunk after eating bread. This isn't because the bread has been soaked in liquor; it's a rare-yet-real medical condition that allows people to ferment alcohol in their digestive system after eating carbohydrates.
As explained in the latest video from SciShow, Gut Fermentation Syndrome (also called Auto-Brewery Syndrome) is so rare that it has been extremely difficult for scientists to study it properly.
The problem seems to be an over-abundance of yeast in the digestive system which ferments into alcohol. The alcohol then enters the bloodstream and causes intoxication, just as if the person had been hitting happy hour a little too hard.
Learn more about the condition that gets people drunk on bread here:
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