Low-density lipoproteins (LDL), the kind of cholesterol found in fast food, processed meats and desserts, has come to be known as 'bad' cholesterol due to it's association with heart attacks and coronary disease.Despite this, 75% of heart attacks occur in patients whose cholesterol levels don't indicate they're at high risk, leading many to suspect the link isn't as simple as initially thought. Researchers at Ohio University may have just figured out why.