Description:STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY
Your skin is crawling with bacteria – and some of them could be protecting you from cancer.
That’s what Teruaki Nakatsuji at the University of California, San Diego and his colleagues found when they took a closer look at the friendly bacteria that makes a home on our skin.
“The human skin has almost a million bacteria per square centimetre,” says Nakatsuji. Some of these are thought to have an important role in health, with some species linked to disorders like eczema.
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But some skin bacteria …