HDL (high-density lipoproteins) is actually good cholesterol that we need to regulate certain functions, produce hormones, and digest foods.

的HDL(高密度脂蛋白胆固醇)，其实是良好的胆固醇，我们需要规范的某些职能，生产激素，和消化的食品。

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There are different kinds of cholesterol, and the first cut that people made at this were saying that there are things called HDL and LDL, which is high-density lipoproteins and low-density lipoproteins, the LDL.

胆固醇分为许多种,人们分离胆固醇时,最早得到的馏分是HDL和LDL,HDL即高密度脂蛋白,LDL即低密度脂蛋白

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"The system is set up so that the HDL high density lipoproteins, or artery-cleaning or 'good' cholesterol, cleans out the LDL low density lipoproteins, or 'bad' cholesterol, " she explains.

CNN: Understanding the cholesterol numbers game