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flag Transferring gut bacteria from young mice to older ones improved intestinal healing in a 2026 study.

flag A study published January 22, 2026, finds that transferring gut microbiota from young mice to older mice restores intestinal stem cell function, improving tissue regeneration and healing. flag Researchers link aging-related microbiome changes to reduced stem cell activity and impaired recovery, which are reversed through fecal microbiota transplants. flag The findings suggest that targeting gut microbes could help combat age-related intestinal decline, though human trials are needed to confirm safety and effectiveness.

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