据美国《医学日报》报道,美国学者发现,引起牙龈疾病的一种口腔细菌可能会引发一个更致命的健康后果——结肠直肠癌。哈佛大学和凯斯西储大学学者分别进行的两项独立研究证实了上述结论,该研究发表在《细胞宿主和微生物期刊》上。结肠直肠癌是世界上第二种最常见的癌症形式,它在发达国家中的发病率会高达30%。在过去的两年 According to the U.S. Medical Daily, American researchers found that a kind of oral bacteria that causes gum disease can trigger a more deadly health consequence - colorectal cancer. Two independent studies conducted by Harvard and Case Western Reserve University scholars, respectively, confirm these findings, published in The Journal of Cell Hosts and Microbiology. Colorectal cancer is the second most common form of cancer in the world and its incidence in developed countries can be as high as 30%. In the past two years