Answer
The correct statement about trans fatty acids is:
Foods with a Nutrition Facts panel claiming "zero" trans fats per serving may actually contain trans fats.
Explanation
Let's break down each statement:
- They are found only in processed foods.
This statement is not entirely true. While trans fats are indeed found in many processed foods, they can also occur naturally in some animal-based foods in small quantities.
- Foods with a Nutrition Facts panel claiming "zero" trans fats per serving may actually contain trans fats.
This statement is true. In many countries, food manufacturers are allowed to claim "zero" trans fats if the food contains less than 0.5 grams of trans fats per serving. Therefore, a food could technically contain trans fats, but still claim to have "zero" trans fats if the amount per serving is under the specified limit.
- They are less harmful to health than saturated fatty acids.
This statement is false. Numerous studies have shown that trans fats can increase the risk of heart disease more so than saturated fats. They can raise levels of 'bad' LDL cholesterol and lower 'good' HDL cholesterol.
- They are made by the body in large quantities.
This statement is also false. The body does not produce trans fats. They are primarily the result of an industrial process that adds hydrogen to vegetable oil, which causes the oil to become solid at room temperature. This process is used to increase the shelf life of foods.