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The original was posted on /r/science by /u/microbepipettor on 2025-01-31 13:24:01+00:00.

Original Title: Scientists have long used fecal transplants in mice to study how gut microbes influence health, but they do not truly recreate the complex ecosystems along the digestive tract. Increased metabolic and neuroactivity of small intestine bacteria is not completely restored with fecal transplant.