Hacker NewsReversing memory loss via gut-brain communication
https://med.stanford.edu/news/all-news/2026/03/gut-brain-cognitive-decline.html
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Enhancing gut-brain communication reversed cognitive decline, improved memory formation in aging mice
Aging causes changes in gut bacteria in mice, which hampers communication between the intestines and the brain. Restoring this connection helped old mice form memories as well as young animals.