More and more research points to the fact that the microbiome in our gut contributes sigificantly to both our phsyical and mental health. But what defines this microbiome? New analysis of nearly 2,000 people living in remote villages in Honduras has shown that friend groups have nearly as much impact as spouses or co-habitators. Jeff and Anthony discuss sharing gut health with their friends, and what this research might mean for cocktail parties in the future.

This week's story: https://www.scientificamerican.com/article/your-friends-shape-your-microbiome-and-so-do-their-friends/

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