(Reuters) - Although much-criticized trans fats raise levels of "bad" cholesterol, they don't appear to have a lasting impact on blood sugar levels, according to a U.S. study. Researchers, writing in ...

Trans fats are unsaturated fatty acids. When a person eats trans fats it raises their bad low-density lipoprotein (LDL) cholesterol levels. Trans fats also lower a person’s good high-density ...