African American women who reported adult tooth loss were found to have a substantially increased risk of pancreatic cancer.
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‘Oral health is a modifiable factor. Apart from avoiding cigarette smoking, there is little an individual can do to reduce pancreatic cancer risk. ’
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According to the researchers, these observations may be related to oral bacteria and the inflammation caused by certain bacteria. In previous studies among different populations the presence of circulating antibodies to selected oral periodontal pathogens was associated with increased risk of PC. 
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"Improving access to low cost, high quality dental care for all Americans may decrease racial disparities in this cancer," said Julie Palmer, ScD, associate director of BU's Slone Epidemiology Center and a professor of epidemiology at BUSPH.
Source-Eurekalert