Obesity Refers specifically to having an abnormally high proportion of body fat.[1] A person can be overweight without being obese as in the example of a bodybuilder or other athlete who has a lot of muscle. However many people who are overweight are also obese. Metabolism All of the processes that occur in the body that turn the food you eat into energy your body can use. 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. 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. 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. 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. Low-density lipoprotein A form of cholesterol that circulates in the blood. Commonly called “bad” cholesterol. Diabetes Mellitus A disease that occurs when the body is not able to use blood glucose sugar. Blood sugar levels are controlled by insulin a hormone in the body that helps move glucose sugar from the blood to muscles and other tissues. Carbohydrate A major source of energy in the diet. There are two kinds of carbohydrates simple carbohydrates and complex carbohydrates.