News Health & Medicine When good cholesterol is even better HDL's efficiency, not just quantity, appears important for heart health By Tina Hesman Saey January 12, 2011 at 6:19 pm - More than 2 years ago Share this:Share Share via email (Opens in new window) Email Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on X (Opens in new window) X Print (Opens in new window) Print 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.