The human body has several distinct microbiomes—on the skin, in the mouth and in our airways—but the most consequential one for health is in the digestive system, commonly called the gut microbiome.

Yet the connection is undeniable: a progressively warming planet with increasing extreme weather patterns and biodiversity loss is reshaping the conditions necessary for human survival ...

The human microbiome, or microbiota, is defined as the collection of microbes - bacteria, viruses, and single-cell eukaryotes - that inhabits the human body. Microbes in a healthy human adult are ...