When unsaturated fat comes from plant sources, it seems to lower levels of total cholesterol as well as low-density lipoprotein, also called LDL or "bad" cholesterol.
Olive oil and nuts are the main sources of fat in the Mediterranean diet. They provide unsaturated fat. When unsaturated fat comes from plant sources, it seems to lower levels of total cholesterol as well as low-density lipoprotein, also called LDL or "bad" cholesterol.