Your Body Is Surrounded by Clouds of Skin and Fart Bacteria

your body is surroundedEverywhere you go, in everything you do, you are surrounded by an aura of microbes. They drift down from your hair when you scratch your head, they fly off your hand when you wave to your friend, they spew out of your mouth when you talk. Even when you sit around doing nothing, you’re sitting in your own, personal microbial bubble.

Made up of millions, billions, trillions of bacteria, yeast, cells, and cell parts, this bubble is actually more like a cloud—a cloud, new research suggests, that is unique to you. And as gross as it is to imagine everyone around you shedding microbial bits and pieces into the air, studying those clouds can be useful for people like doctors tracking down disease outbreaks and cops tracking down criminals.

The gut microbiome, often invoked in expensive probiotic-heavy diets, is probably the hottest microscopic community right now. It’s the collection of microbiota, living inside you, that helps you break down food, fight disease, and control your hunger.

But your outer body has its own microbiome, too. Your body is covered in skin, and that skin is like a vast savannah populated with millions of exotic critters. They feed on the oils seeping from your skin, dead cells, bits of organic matter, and each other. “In a single centimeter of skin, you can find thousands of bacteria,” says James Meadow, former University of Oregon1 researcher and co-author of a microbiome paper published today in the journal PeerJ.

See more at http://www.wired.com/2015/09/body-surrounded-clouds-skin-fart-bacteria/

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