胆固醇是一种由肝脏制造的蜡样物质,它对维持细胞膜和构成某些激素起着关键的作用。胆固醇经血流以一种大颗粒的脂蛋白沉积在血管的不同部位。低密度的脂蛋白胆固醇(LDL)又称为“不良的胆固醇”,其中一些沉积在动脉壁上;高密度脂蛋白胆固醇(HDL)属“好的胆固醇”,它能将低密度脂蛋白胆固 Cholesterol, a wax-like substance made by the liver, plays a key role in maintaining the cell membranes and forming certain hormones. Cholesterol is deposited in different parts of the bloodstream by a large, particulate lipoprotein via the bloodstream. Low-density lipoprotein cholesterol (LDL), also known as “bad cholesterol,” some of which is deposited on the walls of arteries; high-density lipoprotein cholesterol (HDL) is a “good cholesterol,” which binds low-density lipoprotein