Family dogs boost kids’ mental health by changing microbes that live in their bodies, according to a new study.

Researchers found that the pets prompt changes in the human microbiome, the collection of all microorganisms, including bacteria, fungi and viruses, that inhabit the human body.

Hundreds of studies have shown directly and circumstantially that this community of microbes play a crucial role in health, immunity, digestion, fertility, and emotional wellbeing.

The composition of a person’s microbiome is unique and can change based on factors such as diet, medication, and environmental exposures.

Other studies have shown dog owners have differences in their gut microbiomes, including greater microbial diversity, compared to non-dog owners.

Described in a new paper, lead author Pr

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