Cholesterol HDL cholesterol HDL HDL HDL cholesterol the good cholesterol Good cholesterol HDL HDL HDL (high density lipoprotein) “good” HDL cholesterol levels high-density lipoproteins (HDL) HDL cholesterol high density lipoprotein high density lipoprotein HDL Cholesterol: The Good Cholesterol High-Density Lipoproteins HDL cholesterol HDL cholesterol high-density lipoprotein HDL high-density lipoproteins cholesterol HDL- HDL cholesterol HDL cholesterol HDL