Study questions link between oral diseases, cancer
Research has shown that infection and inflammation play a role in 15-20 percent of all cancers, and that "highly prevalent" oral diseases are "significantly linked" to some types of cancer. But a literature review in Oral Diseases found that evidence remains weak and that further studies are needed before cancer can be added to the list of diseases caused by oral infections. Inflammation has been linked to the development of cancer, and infections that trigger inflammatory processes have been proposed as major preventable causes of cancer, wrote the study authors from the University of Helsinki in Finland and Complutense University of Madrid. Oral infections may trigger malignant transformations in tissues of the oral cavity and other organs, they noted.
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