“蠕虫假说”和“卫生假说”大同小异，只是这一假说单独强调了寄生虫的作用，它们生活在人类的肠胃内。

The Helminthes Hypothesis is nearly identical to the Hygiene Hypothesis but it focuses exclusively on parasites.Helminthes are the worms that live in the human intestinal tract.

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由于没有像我们的祖先一样受到肠道蠕虫和寄生虫的感染，我们的免疫系统变得更加敏感。

Without being exposed to intestinal worms and parasites, as our ancestors were, our immune systems are hypersensitive.

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“蠕虫和富裕”理论是“卫生假说”的阴阳两个方面。也许我们真该多接触点寄生虫，来平衡一下我们越来越少接触细菌和病毒的状况。

A "Worm vs. Wealth" theory is the Yang to the Yin of the Hygiene Hypothesis: Maybe we need more exposure to parasites to balance our reduced exposure to bacteria and viruses.

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