What exactly is blood cholesterol There are 2 main types HDL which stands for high density lipoprotein and LDL or low density lipoprotein LDL is often called bad cholesterol because it can form plaque on your artery walls blocking blood flow to your heart and brain On the flip side HDL is known as good cholesterol because it helps remove excess cholesterol from your body Foods high in saturated and trans fats can raise your blood cholesterol levels more than foods containing dietary cholesterol like meat eggs and dairy products
