Omega-3 fatty acids fight inflammation by countering the inflammatory effects of omega-6, another type of fatty acid. Most people eat diets overloaded with omega-6 which is found in vegetable oils like soybean or corn oil.
Olive oil is on the list of “good” oils and a “monounsaturated” fat. Using a “cold-pressed” organic olive oil as your main source of oil may cut your risk of coronary heart disease almost in half.
Studies have show that particles of LDL (bad) cholesterol that contain monounsaturated fats (found in olive oil) are less likely to become oxidized. This is important because only oxidized cholesterol is able to stick to your artery walls and form plaques.
Also, avocados and nuts like almonds are other good sources monounsaturated fat that help to clean your arteries.
And, a tip re oil... don't use Canola Oil... it's known as a GMO oil and not good.