“寒头暖足”是古代医家泻实补虚的治疗准则,也是一条养生保健的重要原则。先说“寒头”。一般情况下人的头部总以相对地保持寒凉为好,这样才有利于健康。人们工作紧张忙碌之时,用冷水洗一洗脸,能起到清醒头脑和提高思维能力的效果。长年坚持用冷水洗脸还能预防感冒。具体做法? “Cold and warm enough” is the ancient physicians laxative tonic treatment guidelines, but also an important principle of health care. First, “cold head.” Under normal circumstances, the human head always relatively cool to keep as well, so as to be conducive to health. When people work hard, wash your face with cold water, can play a clear mind and improve thinking ability. Persist for many years with cold water wash can prevent colds. specific methods?