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. Overweight Refers to an excess of body weight compared to set standards. The excess weight may come from muscle bone fat and/or body water. Overweight Being too heavy for one’s height. It is defined as a body mass index BMI of 25 up to 30 kg/m2. Insulin A hormone in the body that helps move glucose sugar from the blood to muscles and other tissues. Lipoprotein Compounds of protein that carry fats and fat-like substances such as cholesterol in the blood. Carbohydrate A major source of energy in the diet. There are two kinds of carbohydrates simple carbohydrates and complex carbohydrates. 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. Glucose A building block for most carbohydrates. Digestion causes carbohydrates to break down into glucose. Calorie A unit of energy in food. Foods have carbohydrates proteins and fats. 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.