如今,在过敏性疾病专科门诊,因过敏性鼻炎或哮喘而就诊的患儿越来越多。为什么越来越多的儿童患上过敏性鼻炎和哮喘?过敏性鼻炎和哮喘的发病原因很多,是基因与环境相互作用而诱发的多因素疾病。除过敏原外,早期生活因素(如低龄产妇、多眙妊娠和低出生体重)、家族史、种族及环境因素(如烟草环境、城市生活、生活方式、营养和空气污染等)也与过敏性鼻炎和哮喘密切相关。而且,过敏原和污染物的致病作用可以相互影 Nowadays, there are more and more children with allergic rhinitis or asthma in specialty clinic of allergic diseases. Why are more and more children suffering from allergic rhinitis and asthma? There are many causes of allergic rhinitis and asthma, and it is a multifactorial disease caused by the interaction between genes and environment. In addition to allergens, early life factors (such as young mothers, pregnant women with multiple pregnancies and low birth weight), family history, ethnicity and environmental factors (such as tobacco environment, urban life, lifestyle, nutrition and air pollution) are also associated with allergies Rhinitis and asthma are closely related. Moreover, the pathogenic effects of allergens and contaminants can interact with each other