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Digestive System

Metabolism and Nutrition

What are trans fatty acids?

Trans fatty acids, or trans fats, are made when manufacturers add hydrogen to liquid vegetable oil—a process called hydrogenation—creating solid fats like shortening and hard margarine. Hydrogenation increases the shelf life and flavor stability of foods containing these fats. Diets high in trans fat raise the LDL (low density lipoprotein) or “bad” cholesterol, increasing the risk for coronary heart disease.



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