A sexually transmitted infection usually thought of in connection to cervical cancer is also tied to a five-times greater risk of cancer of the vocal cords or voice box, according to a Chinese study.
Chinese researchers, whose work appeared in the Journal of Infectious Diseases, combined the results of 55 studies from the past two decades and found that 28 percent of people with laryngeal cancers had cancerous tissue that tested positive for human papilloma virus (HPV).
But that rate varied widely by study, from no throat cancer patients with HPV to 79 percent with the infection.
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