Another reason to bone up on your brushing and gargling is that poor oral hygiene and gum disease have been linked to more serious illnesses, including diabetes.

另外一个使你坚定不移地刷牙和漱口的原因是糟糕的口腔卫生和口腔疾病和更严重的疾病有关联，包括糖尿病。

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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.

“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。

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These are proven sleep hygiene techniques that will hopefully translate to more hours of sleep.

这些有效的睡眠卫生技术能换来更多的睡眠时间。

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Now that they have their own baths, modern Japanese seem more obsessed than ever with hygiene and cleanliness.

ECONOMIST: The Japanese are a super-clean lot. Obsessively so?

Food outlets in a part of south-east London have the worst hygiene standards of more than 2, 000 postcodes in England, Northern Ireland and Wales, an investigation has found.

BBC: Food hygiene a 'postcode lottery', Which? report finds

One of the more popular theories is "the hygiene hypothesis, " which says that exposure to germs and parasites in early childhood somehow prevents the body from developing certain allergies.

NPR: Study: Food, Skin Allergies Increasing In Children