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 Click to share on Facebook (Opens in new window) Facebook Click to share on Reddit (Opens in new window) Reddit Click to share on X (Opens in new window) X Click to 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.