Harvard Heart Letter

Rethinking good cholesterol

A high HDL cholesterol level may not be as beneficial as once believed. If you’re hoping to avoid heart disease, you probably keep tabs on your blood cholesterol values — especially your low-density lipoprotein (LDL), or “bad” cholesterol. Too much LDL in the bloodstream helps to create the plaque that accumulates inside arteries, raising the risk of a heart attack. The lower your LDL, the lower your risk of having a heart…

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