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Hepatitis C is a serious liver infection caused by a virus. It's the most common bloodborne infection in the United States, affecting as many as 3.5 million people, according to the U.S. Centers for Disease Control and Prevention. Many are unaware they have the infection.
"What we are trying to make all understand is that this is an infection that has consequences -- and it's an infection we can cure," said study leader Dr. Harrys Torres, an associate professor of infectious diseases at the University of Texas MD Anderson Cancer Center.
He and his colleagues analyzed data from more than 34,500 patients tested at the medical center. The researchers found that those with hepatitis C seemed to have more than twice the risk for cancers in the mouth and throat and a nearly fivefold higher risk for larynx cancers than those without hepatitis C.
The study, published April 13 in the Journal of the National Cancer Institute, could prove important in the screening of hepatitis C patients and the treatment of those with head and neck cancers, the authors said.
Hepatitis C can also affect how cancer patients respond to treatment, Torres added. Doctors need to understand that hepatitis C affects not only the liver, but is a bodywide infection, he said.
-- Robert Preidt
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