Bacteria in your mouth may travel to the gut and trigger stomach cancer, research finds

Research published in Cell Reports Medicine suggests a strong association between oral bacteria and gastric cancer, with 28 varying gut species identified in patients. The study, conducted by BGI Genomics in China, found oral bacteria like Streptococcus and Lactobacillus in both saliva and stool, indicating potential transmission from the mouth to the gut. However, more research is needed before clinical applications.