When good cholesterol is even better

HDL's efficiency, not just quantity, appears important for heart health

By Tina Hesman Saey, 17:17 PM January 12, 2011

How much good cholesterol a person has is not as important as how well that good cholesterol works to stop heart disease, a new study suggests.

High-density lipoprotein — also known as HDL, or “good” cholesterol — is healthy for the heart, previous studies have indicated. People with high blood levels of the molecule tend to have lower risk of developing heart disease than people with low levels.

But a new study suggests that the amount of good cholesterol in the blood may not be the most...

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