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. Protein One of the three nutrients that provides calories to the body. Nutrition The process of the body using food to sustain life. Monounsaturated fat Fats that are in foods are combinations of monounsaturated polyunsaturated and saturated fatty acids. Low-density lipoprotein A form of cholesterol that circulates in the blood. Commonly called “bad” cholesterol. 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. 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. High-density lipoprotein A form of cholesterol that circulates in the blood. Commonly called “good” cholesterol. 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. Type 1 diabetes: Previously known as “insulin-dependent diabetes mellitus” IDDM or “juvenile diabetes.” Type 1 diabetes is a life-long condition in which the pancreas stops making insulin.