What does "HDL" mean in a report or doctor's letter? In our medical dictionary, you will find a patient-friendly explanation of the meaning of this medical term.
HDL stands for High-Density Lipoprotein, often referred to as "good cholesterol". It is a type of fat in the blood that helps remove other forms of cholesterol from your bloodstream. High levels of HDL are a good sign because they can lower the risk of heart disease. It's called "good cholesterol" because it helps keep the heart healthy.
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