Divided by language, united by gut bacteria – people have three common gut types

Europe is a divided land. For such a relatively small continent, it is split into 50 different countries and its people speak hundreds of languages. But within their guts, there is common ground. The intestines of Europeans, like those of all humans, harbour massive communities of bacteria. According to a new study, these microscopic worlds fall into just three different groups, which transcend the borders of geography and politics. In gut bacteria, we are united.

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