研究人员已揭示,一种常见的肠道细菌所产生的毒素,名为BFT,需要先与结肠细胞表面的特定蛋白质——紧密连接蛋白4(claudin-4)结合,才能引发结肠癌。该研究的作者Ligresti在接受Newsweek采访时表示:“长期以来,我们已知遗传因素和饮食习惯会影响结肠健康,但包括这项新研究在内的日益增多的证据表明,肠道微生物群的构成对结肠健康至关重要。”他补充说,“不产生毒素的菌株的存在并不会引起担忧。” Ligresti还指出,人们可以通过维持健康的生活方式来促进结肠健康并降低罹患结直肠癌的总体风险。这包括摄入富含纤维的饮食,多吃水果、蔬菜和全谷物,限制红肉和加工肉类的摄入,坚持规律锻炼,并保持健康的体重。
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