Roller derby skaters trade bumps, bruises -- and bacteria
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Roller derby skaters trade bumps, bruises -- and bacteria





Roller derby skaters trade bumps, bruises -- and bacteria - The Body Odd

The women of roller derby are always crashing and smashing into each other, constantly trading bumps and bruises -- and at the same time, they're also trading the microscopic bugs living on their skin. That's according to a new study that used derby to i

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