有些地区到了秋季,气候忽冷忽热,变化剧烈。早晚和午间温差很大,气候还比较干燥,因此,人们在生活起居方面要多加留意,以免着凉。平时,在人的上呼吸道(如咽喉、鼻腔粘膜)经常潜存一些与感冒有关的病原微生物,但由于人体的抵抗力强,它们就不能兴风作浪。一旦身体受凉,抵抗力下降,它们就会乘机而入,繁殖活跃,使上呼吸道粘膜发炎肿胀,引起咳 In some areas, in autumn, the climate changes suddenly and suddenly, changing dramatically. Sooner or later, the temperature difference is very large and the climate is relatively dry. Therefore, people should pay more attention to their daily life in order to avoid the cold. Usually, in the human upper respiratory tract (such as the throat, nasal mucosa) are often latent pathogens associated with the cold microorganisms, but because of the body’s resistance, they can not make trouble. Once the body is cold, the resistance decreases, they will take the opportunity to enter, reproductive activity, inflammation of the upper respiratory tract swelling, causing cough