One of the most common vegetable oils found in processed foods could be contributing to weight gain due to the way it is processed in the body, a new study has suggested.
While not usually used as a base in cooking, soybean oil is often found in processed foods such as salad dressings, margarine, and crisps. Previous research has linked soybean oil to weight gain, but it has not been clear why it makes some people pile on the pounds.