喝热茶取暖许多人认为冷天喝热茶能增加体内热能,殊不知热茶进入人体可加速血液循环,增加体表的散热;同时茶有利尿作用,能增加排尿量,使热量通过小便排出。所以喝热茶后会更感寒冷。紧闭门窗紧闭门窗后,室内氧气不断减少,二氧化碳含量增加,若空气中的二氧化碳超过2%,就会使人头 Drinking hot tea to warm up Many people think that drinking hot tea on cold days can increase the body’s heat energy, but everyone knows that hot tea can accelerate blood circulation and increase the heat dissipation on the body surface. At the same time, tea has a diuretic effect and can increase the amount of urine, so that heat can be discharged through urine. So after drinking hot tea, I feel more cold. Closed doors and windows close behind doors and windows, the indoor oxygen continues to decrease, the carbon dioxide content increases, if the carbon dioxide in the air exceeds 2%, it will make people