Low levels of high-density lipoprotein (HDL), or "good," cholesterol.

低水平的高密度脂蛋白(HDL)，一种“好的”胆固醇。

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The levels of total serum cholesterol, triglycerides, low density lipoprotein cholesterol and high density lipoprotein cholesterol were measured and compared.

检测血中总胆固醇、甘油三酯、低密度脂蛋白胆固醇和高密度脂蛋白胆固醇水平，两组进行统计学比较。

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Low-density lipoprotein (LDL) or bad cholesterol levels should be below 100, and high-density lipoprotein (HDL) should measure 35 or above.

CNN: Beta Carotene