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科学研究证明,人类与微生物处于共生关系。微生物包括细菌、真菌、病毒等类群。人体携带的细菌主要在肠道,约有500多种,总菌数高达100万亿个,是人体细胞数量的10倍。这些细菌可以分为有益细菌(益生菌)、有害细菌(致病菌)、中性细菌三大群落,它们与人体细胞共同组
Scientific research shows that humans and microorganisms are in a symbiotic relationship. Micro-organisms include bacteria, fungi, viruses and other taxa. The bacteria that the human body carries are mainly in the gut, about 500 kinds, the total number of bacteria is as high as 100 trillion, which is 10 times of the number of human cells. These bacteria can be divided into beneficial bacteria (probiotics), harmful bacteria (pathogens), three groups of neutral bacteria, they are common with human cells