Scientists Gave Old Mice Their Young Gut Back. The Results…

Scientists Gave Old Mice Their Young Gut Back. The Results Were Stunning. What if you could mail your 25-year-old gut microbiome to your 65-year-old self? That's not science fiction anymore. It's the premise of a remarkable new study presented at Digestive Disease Week 2026 and the results in mice are turning heads. Researchers collected fecal samples from young mice and preserved them. As the mice aged, the stored youthful microbiome samples were transplanted back into the same animals. None of the mice that received their restored youthful microbiome developed liver cancer. In contrast, liver cancer appeared in 2