Naked mole rats appear to produce a compound that prevents them from getting cancer, according to research published by University of Rochester biologists in Nature. Researchers Vera Gorbunova and Andrei Seluanov discovered a variation of the compound hyaluronan helps naked mole rats inhibit the growth of cancer cells. They found that when the gene for hyaluronan was turned off in the rats, cells infected with cancer-causing viruses multiplied far more rapidly.

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