what is cholesterol ldl
Low-density lipoproteins (LDL) are sometimes called âbadâ cholesterol. High levels of LDL cholesterol can build up in your arteries, causing heart disease. High-density lipoproteins (HDL) are referred to as âgoodâ cholesterol.HDL cholesterol carries cholesterol from other parts of your body back to the liver.ow-density lipoproteins (LDL) are sometimes called âbadâ cholesterol. High levels of LDL cholesterol can build up in your arteries, causing heart disease. High-density lipoproteins (HDL) are referred to as âgoodâ cholesterol.