咖啡因常被人们视作提神佳品，而非家庭药方；然而，多年来，科学家却一直想知道它是否能对哮喘患者有所裨益。
Caffeine is known more as a pick-me-up than a home remedy, but for years scientists have wondered whether it may have benefits for people with asthma.
咖啡因常被人们视作提神佳品，而非家庭药方；然而，多年来，科学家却一直想知道它是否能对哮喘患者有所裨益。
Caffeine is known more as a pick-me-up than a home remedy, but for years scientists have wondered whether it may have benefits for people with asthma.
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