Fnord wrote:
Most legumes contain a sugar that is not fully digestible. Beans make some people fart because they contain sugar molecules called oligosaccharides. Some people don’t have enough alpha-galactosidase enzymes to break them down, which can cause gas and bloat. During digestion, the beans go from the small intestine into the large intestine, where gut bacteria attempts to break down these problematic sugar molecules. This creates carbon dioxide in the process which results in gas.
I've wondered why I never have any issues after eating beans when they're notorious for giving people gas. I guess it's probably because my body produces more alpha-galactosidase than the average person's, then.
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Yet in my new wildness and freedom I almost welcome the bitterness of alienage. For although nepenthe has calmed me, I know always that I am an outsider; a stranger in this century and among those who are still men.
-H. P. Lovecraft, "The Outsider"