Research suggests that while an unmade bed may look scruffy, it is also unappealing to house dust mites thought to cause asthma and other allergies.

研究表明，虽然一张未经整理的床看起来很肮脏，但它无法吸引那些被认为会引发哮喘和过敏症的屋尘螨。

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The average bed could be home to up to 1.5 million house dust mites.

而平均每床被子会有超过1,500,000只屋尘螨。

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Furniture foam tends to release PBDEs into house dust when it breaks down.

当家具泡沫破裂的时候，往往会释放多溴二苯醚到房屋灰尘当中。

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About 10 percent of people are sensitive to house dust mites, said Dr. Clifford Bassett, an allergist in New York.

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But such is their persistence that they can also be found in soil, sediment, food, air and house dust, and 97% of Americans have detectable levels in their bodies.

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Allergies to pollen, furry or feathery animals or house-dust mite, can be triggers for asthma, because they irritate the airways.

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