What triggers an asthma attack?

什么诱发哮喘病发作？

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Q: What triggers an asthma attack?

问：什么诱发哮喘病发作？

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Using household spray cleaners just once a week increases your risk of an asthma attack by 76 per cent, say Spanish researchers.

每周使用一次家用清洁喷雾增加76％的患哮喘几率。

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Chemical sprays like air fresheners,hair spray, household cleaning products and even strong perfumes can also trigger an asthma attack.

VOA: special.2009.07.28

Chemical sprays like air fresheners, hair spray,cleaning products and even strong beauty aids can trigger an asthma attack.

VOA: special.2010.09.07

Doctors have identified many of the things that may start,or trigger, an asthma attack.

VOA: special.2009.07.28

She became serious about getting healthy after an asthma attack in 2005, a year after Sarah's birth.

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Ms. Vigil says Celia hasn't had an asthma attack since she's become more active.

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An asthma attack occurs when the airways narrow too much or produce too much mucus.

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