How HDL and LDL cholesterol work?

Both HDL and LDL cholesterol are a kind of fat. Since cholesterol cannot be transported into your bloodstream, it needs these two lipoproteins.

HDL is also called "good" cholesterol because it tends to wash cholesterol from blood vessels.

LDL is called "bad" cholesterol because it can accumulate in your bloodstream when reaches high levels and cause atherosclerosis

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