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. Carbohydrate A major source of energy in the diet. There are two kinds of carbohydrates simple carbohydrates and complex carbohydrates. Pancreas A gland that makes enzymes that help the body break down and use nutrients in food. Metabolism All of the processes that occur in the body that turn the food you eat into energy your body can use. High-density lipoprotein A form of cholesterol that circulates in the blood. Commonly called “good” cholesterol. Very-low calorie diet: A person following a VLCD eats or drinks a commercially prepared formula that has 800 calories or less instead of eating food. Weight-cycle: Losing and gaining weight over and over again. Commonly called yo-yo dieting. Lipoprotein Compounds of protein that carry fats and fat-like substances such as cholesterol in the blood. High blood pressure Another word for “hypertension.” Blood pressure rises and falls throughout the day. An optimal blood pressure is less than 120/80 mmHg. Body mass index A measure of body weight relative to height. BMI can be used to determine if people are at a healthy weight overweight or obese.