Câu ví dụ #1
1. Women who have a history of gum disease face a higher risk of several types of cancer, particularly tumors in the esophagus and breasts, a U.
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2. Previous research has shown people with gum disease face a higher risk of certain cancers.
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3. This study is the first to focus on gum disease's link to all cancers, and in an all-female population, said senior author Jean Wactawski-Wende, dean of the School of Public Health at State University of New York at Buffalo.
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4. More research is needed to find out exactly how gum disease may promote cancer, she added.
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5. One theory is that harmful pathogens could be carried in saliva and dental plaque, or through diseased gum tissues into the blood circulation.
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