Condition

Depression & anxiety

3 associated organisms · The gut-brain link is real but largely correlational and animal-model-heavy. Treat these as intriguing signals, not established causes.

Organisms associated with Depression & anxiety
Faecalibacterium prausnitzii Beneficial Reduced in Depression & anxiety
Species

Lower abundance correlates with depression and reduced quality-of-life scores in population studies.

Moderate evidence source: curated sample
Coprococcus Beneficial Reduced in Depression & anxiety
Genus

Consistently depleted in depression in large cohorts (the Flemish Gut Flora Project and others).

Moderate evidence source: curated sample
Bifidobacterium adolescentis Beneficial Reduced in Depression & anxiety
Species

A GABA producer; lower loads correlate with depression and anxiety, but causal evidence is early.

Preliminary source: curated sample
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