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出汗研究证实,人体有250～500万个汗腺,出汗是人体的一种保护性反应,是健康和生命存在的必要条件。汗液中99％为水,其余为氯化纳、尿素和代谢废物。中医认为“出汗”能解除表征、驱除外邪。夏季出汗更为重要,一可带走体内大量的暑热;二可由汗液排出许多代谢废物,且汗液产生的弱酸性物质能保护皮肤,防止细菌入侵;三可协助肾脏调节体液平衡,使机体和内脏保持正常功能。
Sweating studies have confirmed that the body has 250 to 5 million sweat glands, sweating is a protective reaction of the human body, is a necessary condition for the existence of health and life. Ninety-nine percent of sweat is water and the balance is sodium chloride, urea and metabolic waste. Chinese believe that “sweating” can lift the characterization, expel evil. Summer sweating is more important, one can take away a lot of summer heat; two sweat discharged by many metabolic waste, and sweat produced by the weak acid substances can protect the skin and prevent bacterial invasion; three can help the kidneys regulate fluid balance, the body and Internal organs to maintain normal function.