Found in small amounts in some meat and dairy products.
The Truth About Trans Fats: Why Your Body Can't Stomach Them
Eating artificial trans fats has a "double-whammy" effect on your cardiovascular system:
You will often find trans fats "munching" on the nutritional value of processed goods: Fast food french fries and doughnuts. Baked Goods: Store-bought cookies, cakes, and pie crusts. Margarine: Sticks of margarine and vegetable shortening.