Educational · Cognitive Health

The Gut-Brain Axis

How gut health, inflammation, and the microbiome influence cognition and mood.

7-minute read Updated May 2026

The Gut-Brain Axis

The gut and brain are deeply interconnected through neural, hormonal, and immune pathways. Research increasingly shows that the microbiome influences cognition, mood, inflammation, and stress response.

Signals travel bidirectionally between the gastrointestinal system and the central nervous system through what researchers call the gut-brain axis.

Sources

1. https://pubmed.ncbi.nlm.nih.gov/22968153/

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6. https://pubmed.ncbi.nlm.nih.gov/31475795/