No need to avoid healthy omega-6 fats.  Omega-6 fats from vegetable oils--like their cousins, the omega-3 fats from fish--are good for the heart.
D002318:Cardiovascular Diseases / Q000517:prevention & control*; D002319:Cardiovascular System; D043371:Fatty Acids, Omega-6 / Q000008:administration & dosage / Q000009:adverse effects / Q000145:classification; D006801:Humans; D009753:Nutritive Value; D010938:Plant Oils / Q000008:administration & dosage / Q000737:chemistry
D043371:Fatty Acids, Omega-6; D010938:Plant Oils