冬来临,多数北方人家里都装有暖气,这让保持温暖的同时也有不少弊端。首先,室温过高,空气流通不好,空气中氧气含量不足。长时间呆在这种环境会导致免疫功能下降,体质较弱的老年人会出现烦躁不安、皮肤干痒、出汗、血黏度增高、尿量减少等不适。其次,当空气湿度低于40%时,病毒、细菌繁殖加快,且 The advent of winter, most northern home are equipped with heating, which allows to keep warm, but also has many drawbacks. First of all, the room temperature is too high, poor air circulation, lack of oxygen in the air. A long time to stay in this environment will lead to decreased immune function, weak constitutional elderly will be irritable, dry skin, sweating, increased blood viscosity, decreased urine output and other discomfort. Second, when the air humidity is below 40%, the virus and bacteria multiply faster, and