Your eyes could be teeming with bacteria, and that’s a good thing

For years, scientists thought the eyes were germ-free. Now, new research suggests that an entire community of bacteria might inhabit our eyeballs, Gizmodo reports. Scientists have found that mouse eyes are covered in bacteria that help fight off infections such as conjunctivitis, or pink eye. These bacteria might keep pathogenic microbes at bay by stimulating cells of the immune system, researchers report today in Immunity. It’s unknown whether human eyes host similar communities of bacteria, but scientists say it’s likely.

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