Trans fatty acids constitute up to 60 percent of the fat in processed foods containing hydrogenated fats. TFAs raise blood-cholesterol levels and increase heart-disease risk just like saturated fats.

Here is a list of eight foods that can increase your cholesterol levels. Beef, pork, and lamb are rich in saturated fat, which can raise LDL ("bad") cholesterol levels. Whole milk, butter, cream, and ...

To spot trans fat in your favorite foods, look at the ingredients for "partially hydrogenated oil." It's now largely understood that artificial trans fat is the worst kind of fat you can eat.