Trans fats are found in many processed foods and solid forms of fats, like shortenings and some margarines. The danger, according to the Centers for Disease Control and Prevention, is that there is a direct relationship between consuming foods high in trans fats and elevated LDL -- or "bad" -- cholesterol. That can increase a person's risk of coronary heart disease, the number one killer in the United States.

Consuming trans fats is dangerous according to the Centers for Disease Control and Prevention due the direct correlation between eating foods with high levels of trans fat and the increase of LDL (bad cholesterol), which heightens the risk of coronary heart disease.