Monounsaturated fat Fats that are in foods are combinations of monounsaturated polyunsaturated and saturated fatty acids. Carbohydrate A major source of energy in the diet. There are two kinds of carbohydrates simple carbohydrates and complex carbohydrates. Weight-cycle: Losing and gaining weight over and over again. Commonly called yo-yo dieting. 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. High-density lipoprotein A form of cholesterol that circulates in the blood. Commonly called “good” cholesterol. 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. Weight control: Achieving and maintaining a healthy weight by eating well and getting regular physical activity. Nutrition The process of the body using food to sustain life. 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. 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.