Viral infections are thought to be a central cause of between 10 to 20 percent of cancers worldwide, representing a significant portion of the global cancer burden.A recent discovery may further our understanding of how viruses cause cancer.Researchers from the Cleveland Clinic uncovered one of the mechanisms that a type of virus called Kaposi sarcoma-associated herpesvirus (KSHV) uses to induce cancer.The study, published last month in Nature Communications, found that the KSHV virus activated a specific pathway responsible for cell metabolism and the way cells grow and multiply. Using current U.S. Food and Drug Administration (FDA)-approved breast cancer drugs, they...