Saturated fat: A fat that is solid at room temperature. Fats that are in foods are combinations of monounsaturated polyunsaturated and saturated fatty acids. Saturated fat is found in high-fat dairy products like cheese whole milk cream butter and regular ice cream fatty fresh and processed meats the skin and fat of chicken and turkey lard palm oil and coconut oil. Monounsaturated fat Fats that are in foods are combinations of monounsaturated polyunsaturated and saturated fatty acids. Bariatric surgery Surgery on the stomach and/or intestines to help the patient with extreme obesity lose weight. Bariatric surgery is a weight-loss method used for people who have a body mass index BMI above 40. Nutrition The process of the body using food to sustain life. Carbohydrate A major source of energy in the diet. There are two kinds of carbohydrates simple carbohydrates and complex carbohydrates. Metabolism All of the processes that occur in the body that turn the food you eat into energy your body can use. Trans fatty acids: A fat that is produced when liquid fat oil is turned into solid fat through a chemical process called hydrogenation Weight control: Achieving and maintaining a healthy weight by eating well and getting regular physical activity. Energy expenditure The amount of energy measured in calories that a person uses. Calories are used by people to breath circulate blood digest food and be physically active. Fat A major source of energy in the diet. All food fats have 9 calories per gram.