Gut bacteria come in three flavors

And everybody has one favorite

There are three types of people in this world, and by their bacteria ye shall know them.

A consortium of researchers from Europe and Japan examined the DNA profiles of bacteria in fecal samples taken from 39 people belonging to six different nationalities. Each had a diverse group of microbes, but closer analysis revealed that the bacteria fall into three major types of communities, the researchers report online April 20 in Nature.