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The Wall Street Journal
wsj.com
did:plc:i3fhjvvkbmirhyu4aeihhrnv
Could a tiny computer in your underwear—a so-called Fitbit for farts—be the answer to America’s gut-health problems? Christopher Mims gives it a try. on.wsj.com/3OwgwK2
2026-02-23T02:04:51.254Z