Hydrogenation A chemical way to turn liquid fat oil into solid fat. This process creates a new fat called trans fatty acids. Trans fatty acids: A fat that is produced when liquid fat oil is turned into solid fat through a chemical process called hydrogenation Bioelectrical impedance analysis A way to estimate the amount of body weight that is fat and nonfat. Nonfat weight comes from bone muscle body water organs and other body tissues. BIA works by measuring how difficult it is for a harmless electrical current to move through the body. Healthy weight Compared to overweight or obese a body weight that is less likely to be linked with any weight-related health problems such as type 2 diabetes heart disease high blood pressure high blood cholesterol or others. Calorie A unit of energy in food. Foods have carbohydrates proteins and fats. Monounsaturated fat Fats that are in foods are combinations of monounsaturated polyunsaturated and saturated fatty acids. Pancreas A gland that makes enzymes that help the body break down and use nutrients in food. 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. Registered Dietitian A health professional who is a food and nutrition expert. Weight-cycle: Losing and gaining weight over and over again. Commonly called yo-yo dieting.