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Your Gut Bacteria May Reveal How Fast Your Brain Is Aging

Summary by Science Daily
A UCLA study links faster brain aging to specific gut bacteria and chemical byproducts, with older-looking brains also associated with poorer memory, focus, and mood. The findings suggest that biological signs of brain aging may appear decades before obvious symptoms and could eventually make the gut a target for prevention.

3 Articles

Analysis with almost 1,500 adults points to relationship between microbiome, memory and early signs of brain aging

A study by the University of California in Los Angeles (UCLA) suggests that the age of the brain may be related to intestinal bacteria and their chemical by-products.

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Science Daily broke the news in Encinitas, United States on Sunday, October 4, 2026.
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