Science

Gut bacteria use food cues to help time nutrient absorption, study finds

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Based on a feed excerpt; full article content has not been acquired. Source evidence retrieved 22/10/2026, 15:10:24 UTC.

Briefings

A 2026 study from Carnegie Mellon University reveals that gut bacteria possess biological clocks, allowing them to regulate nutrient absorption based on internal timing rather than external light cues. This research challenges the long-held belief that circadian rhythms are solely driven by sunlight exposure.

Key points

• Gut bacteria contain internal biological clocks that regulate nutrient absorption timing.
• The study indicates that these bacterial clocks operate independently of external light cues.

Context

This research challenges the long-held belief that circadian rhythms are solely driven by sunlight exposure, suggesting that gut bacteria may regulate nutrient absorption based on internal timing.

Limitations

The study is limited to a single research paper from 2026. Specific bacterial species, timing mechanisms, or clinical implications remain unexplored.

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