人体在新陈代谢中会产生不少“废物”,它包括食物消化过程中的分解产物(如氨类、肌酐、尿素氮等)、从不洁空气中(汽车尾气、香烟等)吸入的大量有毒有害气体和微粒,还有因疾病发生过程中产生的有害物等等。尽管人体内部具有一定清除自身“毒素”、净化血液的能力,但当体内 The human body produces a lot of “waste” in the metabolism, which includes decomposition products (such as ammonia, creatinine and urea nitrogen) in the process of digestion of food, a large amount of toxic and harmful substances inhaled from dirty air (automobile exhaust, cigarettes, etc.) Gas and particles, as well as pests and the like resulting from the disease. Although the human body has to clear its own “toxin”, the ability to purify the blood, but when the body