哮喘病是一种慢性可逆性的呼吸道阻塞疾病。它的特点是呼吸短促和哮鸣音。该病发作迅速并多变,可以从轻度不适服到威胁生命以致呼吸停止。哮喘可以侵袭到任何年龄、性别、种族和经济状况,任何人在任何时间均可发生此病。据估计每年死于哮喘病者多达4000人。哮喘的病因该病有家族性发作倾向,因此遗传起一定作用。但是引起哮喘病的专有遗传特征还不完全清楚。虽然众知哮喘发病可能有职业因素,但 Asthma is a chronic reversible airway obstruction. It is characterized by shortness of breath and wheeze. The onset of the disease is rapid and varied and can range from mild discomfort to life-threatening breathing. Asthma can invade any age, gender, race, and financial condition, and anyone can develop the disease at any time. It is estimated that as many as 4,000 people die of asthma each year. The etiology of asthma The disease has a familial tendency to seizure, thus inheriting a certain role. However, the genetic characteristics that cause asthma are not fully understood. Although it is well-known that the incidence of asthma may have occupational factors,