随着新一轮雾霾来袭和气温下降,医院儿科的哮喘病例呈上升趋势,儿童哮喘进入高发期。雾霾中悬浮着大量的有害颗粒PM2.5,这些颗粒被吸入体内后会停留在呼吸系统,对呼吸系统的黏膜造成损害,诱发气道的高过敏反应。而且人体的鼻腔、咽喉无法对PM2.5进行阻挡,它们可以一路下行,进入细支 With a new round of smog attack and temperature drop, the hospital pediatric asthma cases are on the rise, asthma in children into the high incidence period. Haze suspended in a large number of harmful particles PM2.5, these particles will inhale the body will stay in the respiratory system, causing damage to the respiratory mucosa, induced hyperalgesia in the airway. And the body’s nasal cavity, throat PM2.5 can not be blocked, they can go all the way into the fine support