Oil is not heart-healthy, it damages the lining of your arteries. Here is a great link by Dr. Essy which talks about how bad oil is for the heart , as well as omega's. The short answer is, yes. You get plenty on a varied, whole foods, low fat diet. If you are unfamiliar with him, he wrote Prevent and Reverse Heart Disease and is a world renowned doctor -- one of the few who changed the medical opinion that heart disease is reversible. He's saved so many lives.