日前,朋友买了一件款式新颖的羽绒服,但刚穿了一会儿就感到咽喉发痒、鼻塞流涕、胸部郁闷,以至咳嗽气喘。这是什么原因呢?原来,羽绒服里的羽绒是用家禽的羽毛加工而成的,其细小的纤维被吸入呼吸道后便成为一种过敏源,致使穿羽绒服的人发生了过敏性支气管哮喘。 Recently, a friend bought a fashionable down jacket, but just worn for a while felt itchy throat, stuffy nose runny, depressed chest, and even cough and asthma. What is the reason? It turned out that the down feather is processed with poultry feathers, and its tiny fibers are inhaled into the respiratory tract has become an allergen, resulting in people wearing down jacket allergic bronchial asthma occurred.