Article is found here, excerpt
VICE: When did you first realize that your gut creates its own alcohol?
Matthew Hogg: I suffered from digestive upsets throughout my childhood. I was initially diagnosed with irritable bowel syndrome, but in my teens I experienced a severe worsening of symptoms, like bloating and gas after meals—so much so that I could feel the bubbling of fermentation occurring in my lower abdomen. More worryingly, I developed new, quite frightening symptoms. I would feel intoxicated, as well as exerpience a long list of whole-body symptoms, including chronic fatigue, muscular aches and pains, chronic headaches, mental impairment, mood disturbances, and so on.
Did you feel hungover afterwards?
Yeah, by my late teens I was experiencing severe alcoholic hangovers that would usually be at their worst the morning after eating a high carbohydrate meal. I'd get pounding headaches, severe nausea, occasional vomiting, dehydration, dry mouth, cold sweats, and shaky hands. It was as if I'd been out the previous night and drunk the bar dry, but I hadn't consumed any alcohol.