The LDL cholesterol is the so-called bad cholesterol.

这个底密度脂蛋白就是所谓的不好的胆固醇。

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Those who received the drug had a median 12% drop in low-density lipoproteins, the so-called bad cholesterol, while those receiving a placebo had a 3% increase.

接受Zetia治疗的患者低密度脂蛋白（所谓的“坏”脂蛋白）下降的中位数为12％，而那些使用安慰剂对照治疗的患者的低密度脂蛋白升高了3％。

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Statins work by lowering the production of cholesterol by the liver, and are most effective at reducing low-density lipoprotein, or LDL, the so-called bad cholesterol.

他汀类药物通过降低肝脏产生的胆固醇而发挥作用，并且在降低低密度脂蛋白或LDL（所谓的坏胆固醇）方面最为有效。

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While the shrimp diet did increase people's so-called bad cholesterol or LDL slightly, it also boosted their so-called good cholesterol or HDL enough to offset the increase in bad cholesterol.

CNN: Shrimp's high cholesterol may not be so bad

Clinton's LDL, or so-called "bad cholesterol" level, was 177 and jumped 40 points in the last year of his presidency.

CNN: Clinton walking hospital halls after surgery