Bacteria · Species

Bifidobacterium adolescentis

Beneficial A notable producer of GABA, the calming neurotransmitter; lower loads correlate with depression and anxiety.

Associated with these conditions

Depression & anxiety Reduced

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

Preliminary

Inflammatory bowel disease (IBD) Associated with

Reported in Disbiome, Peryton.

Moderate evidence

Cystic fibrosis Associated with

Reported in Disbiome.

Preliminary

Food allergy Associated with

Reported in Disbiome.

Preliminary

Autism spectrum (ASD) Associated with

Reported in Disbiome.

Preliminary

Inactive Crohn's Disease Associated with

Reported in Disbiome.

Preliminary

Type 2 diabetes Associated with

Reported in Disbiome.

Preliminary

Pulmonary tubercolosis Associated with

Reported in Disbiome.

Preliminary

Non alcoholic steatohepatitis Associated with

Reported in Disbiome.

Preliminary

Non-alcoholic fatty liver disease Associated with

Reported in Disbiome.

Preliminary

Obesity Associated with

Reported in Disbiome.

Preliminary

Allergic asthma Associated with

Reported in Disbiome.

Preliminary

Keratitis Associated with

Reported in Disbiome.

Preliminary

Schizophrenia Associated with

Reported in Disbiome.

Preliminary

Migraine Associated with

Reported in Disbiome.

Preliminary

Lung cancer Associated with

Reported in Disbiome.

Preliminary

Crohn Disease Associated with

Reported in Peryton.

Preliminary

Liver Neoplasms Associated with

Reported in Peryton.

Preliminary

Colorectal Neoplasms Associated with

Reported in Peryton.

Preliminary

Esophageal Neoplasms Associated with

Reported in Peryton.

Preliminary

Stomach Neoplasms Associated with

Reported in Peryton.

Preliminary

Lung Neoplasms Associated with

Reported in Peryton.

Preliminary

Helps make

GABAneurotransmitter

The main inhibitory (calming) neurotransmitter — the same target as many anti-anxiety drugs. Certain bacteria make it via glutamate decarboxylase; Bifidobacterium adolescentis is a model producer, and its abundance correlates inversely with depression and anxiety.

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