Harvard Heart Letter

Keys to managing your cholesterol

Diet, exercise, and drugs can lower the bad and raise the good.

Cholesterol comes in two basic forms. Low-density lipoprotein (LDL), or "bad" cholesterol, contributes to clogged arteries. High-density lipoprotein (HDL), or "good" cholesterol, keeps the bad stuff from accumulating. So your LDL number should be low and your HDL number should be high.

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