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Fasting Fights Inflammation: Gut Bacteria Key
27 Aug
Summary
- Fasting increases a gut bacterium that may calm nervous system inflammation.
- Hippuric acid, produced by the bacterium, reduces inflammatory STING pathway activity.
- Individual responses to fasting vary; further trials are needed for tailored treatments.

Intermittent fasting shows potential for managing chronic pain by modulating the gut-brain connection. A recent study observed that fasting significantly increases a beneficial gut bacterium, Alistipes finegoldii.
This bacterium produces compounds that the body converts into hippuric acid. Hippuric acid acts to reduce overactive STING inflammatory pathways in the central nervous system, thereby quieting inflammation and improving pain signaling.
The research, conducted on animal models, suggests that meal timing could influence inflammation throughout the body. However, scientists acknowledge that individual responses to fasting can differ based on microbiome composition and underlying health conditions.
While fasting is not a cure for chronic pain, these findings could inform the development of new treatments. Future trials are necessary to establish tailored therapeutic strategies that leverage the gut-brain axis.