HDL


High-density lipoprotein cholesterol is known as "good" cholesterol because high levels of HDL seem to protect against heart attacks. Low levels of HDL seem to increase the risk of heart disease. Medical experts think HDL tends to carry cholesterol away from the arteries and back to the liver, where it's passed from the body. Some experts believe HDL removes excess cholesterol from arterial plaque, slowing its buildup.

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