BACKGROUND Although guidelines recommend daily therapy for patients with mild persistent asthma, prescription patterns suggest that most such patients use these so-called controller therapies intermittently.

• 背景虽然指南建议对轻度持续性哮喘病人每天治疗，但处方资料表明，大多数这种病人只是间断使用这些所谓的控制性治疗。