Close social relationships correlate with human gut microbiota composition
Dill-McFarland KA, Tang Z-Z, Kemis JH, et al. · Scientific Reports 2019
Observational study · Open access
Key finding
Married and cohabiting couples had more similar gut communities than people living apart.
In plain language
Measured actual relationships against actual microbial data. Living closely with someone shows up in your gut bacteria.
How much weight this carries
Real evidence exists, but it is early, limited, or not yet replicated widely.
Cite or read it
Dill-McFarland KA, Tang Z-Z, Kemis JH, et al. (2019). Close social relationships correlate with human gut microbiota composition. Scientific Reports. https://doi.org/10.1038/s41598-018-37298-9