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前三讲我们已分别讲了胆固醇及其在体内新陈代谢中所起的重要作用和高血清胆固醇水平对健康的危害,从中我们知道血清胆固醇水平不可过低,但也不可过高。那么血清胆固醇水平维持在一个什么水
The first three stresses We have separately talked about the important role of cholesterol and its metabolism in the body and the health hazards of high serum cholesterol levels, from which we know that serum cholesterol levels should not be too low, but not too high. Then what is the level of serum cholesterol maintained at what