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英国研究人员最近研究发现,口腔不卫生同样会增加患心脏病和中风的风险。英国布里斯托大学的研究人员说,我们已经证实细菌感染是
A recent study by British researchers found that unsanitary oral hygiene also increases the risk of heart disease and stroke. Researchers at the University of Bristol, said that we have confirmed that the bacterial infection is