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一提到细菌,人们便深恶痛绝,因为细菌能使人患病,也可能导致人死亡。但这种看法并不科学,因为世界上除了致病菌外,还有对人类有益的细菌。例如,酵母菌的发酵作用可以供人们生产出面包、馒头、啤酒等许多食品;人类肠道中存在着的许多益生菌,如双歧杆菌,对人体健康十分有益,如果没有它们,不但有损于健康,甚至连生命也不能维持。可见,人类并不能完全离开细菌。 其实,细菌先于人类出现在地球上,人类其实就生活在细菌之中。请看下面一些数字:
When it comes to bacteria, people hate it, because bacteria can make people sick and they can kill people. But this view is not scientific, because in addition to pathogens in the world, there are bacteria beneficial to humans. For example, yeast fermentation can be used to produce bread, steamed bread, beer and many other foods. Many probiotics such as bifidobacteria in human intestinal tract are very beneficial to human health. Without them, they not only detract from Healthy, even life can not be maintained. Can be seen, humans can not completely leave the bacteria. In fact, bacteria preceded humans on Earth, and humans in fact live in bacteria. Please read the following numbers: