Science

The secret to slower aging may be hiding in your gut

The secret to aging more slowly may be hiding in your gut.

✦ Extractive summary — built from the sources' own reporting•From 1 source•1 min read•Updated October 27, 2026, 11:53 AM UTC

The secret to aging more slowly may be hiding in your gut.

Scientists discovered that certain gut bacteria are strongly linked to how quickly the body ages, with microbial differences accounting for about 15% of the variation in biological aging rates.

Some bacterial species were associated with slower aging, while others were linked to accelerated aging.

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