Health
Your belly button is a tiny bacterial ecosystem
HERE’S THE INTERESTING PART
Your navel isn't just an annoying lint trap; it's practically a federally protected wildlife reserve. Researchers swabbing human belly buttons found an average of 67 different bacterial species per person, and thousands overall—including microbes previously only found in the soil of Japan. You are effectively the mayor of a microscopic metropolis tucked right above your beltline.
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