At any given moment, you have somewhere between 10 trillion and 100 trillion microorganisms inhabiting your gut — that’s more microbes in your bowels than there are cells in your body. If that isn’t impressive enough, consider that collectively these microbes have about 150 times as many genes as your own genome. Scientists are still trying to figure out exactly which microbes make up the human microbiome, but it’s estimated to contain more than 1,000 species and 7,000 distinct strains of bacteria. Your gut is never alone.

By Christie Aschwanden
Filed under Gut Science
Published May 19, 2016

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