Antioxidants C, E, selenium and others keep blood fats from turning rancid and toxic. Plaque forms in damaged sites of vessel walls. Maintaining good intakes of magnesium, potassium and omega-3 oils will help save you by preventing resulting irregular heart beat. Saturated, solid or partially hydrogenated trans fats interfere with both functions. Those molecules are straight and rigid, while un saturated ones are bent, fluid and reactive, the omega-3's even more so than the 6's.
Cottonseed oil has pesticide residues plus some iffy fatty acids.
These are called Soyola and Linola . Cholesterol-lowering statin drugs have become common, impoverishing people and systems everywhere. This vitamin is the cheapest and often most effective cholesterol lowering drug.