Bronchial asthmas is a widespread chronic disease involved in many inflammtory cells and factors, this makes patients to have airway hyperreponsiveness (AHR) to varies excitative factors .

• 支气管哮喘是多种炎症细胞和炎症因子共同参与的气道慢性炎症，该炎症使易感者对多种激发因子具有气道高反应性。