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哮喘是一种主要的非传染性疾病,以呼吸困难和喘息反复发作为特征,其严重程度和发作频率因人而异。患者1天或1周内可多次出现症状,一些人在运动时或在夜间症状可加重。在哮喘发作期间,支气管管道内壁膨胀,导致气道狭窄,减少了肺部通气量。周期性哮喘症状往往导致失眠、日间疲劳、减少活动量,不能上学和工作。相对于其他慢性病而言,哮喘的死亡率较低。对哮喘的根本病因目前尚不能完全了解。罹患哮喘的最
Asthma is a major non-communicable disease characterized by repeated episodes of dyspnea and wheezing, and its severity and frequency of attacks varies from person to person. The patient may have multiple symptoms within 1 day or 1 week, and some may exacerbate symptoms during exercise or at night. During an asthma attack, the inner wall of the bronchial duct expands, causing airway constriction and reducing lung ventilation. Cyclical asthma symptoms often lead to insomnia, fatigue during the day, reduce the amount of activity, can not go to school and work. Compared to other chronic diseases, asthma has a lower mortality rate. The underlying cause of asthma is not yet fully understood. The most asthma