Body composition is used to describe the different components, that when taken together make up a persons body weight. People who are overweight or excess body fat are at risk of several health condition, such as Hypertension, Type two diabetes, Coronary Heart Disease, Stroke, Osteoarthritis, Some Cancers, Sleep apnea, and respiratory problems. The proportion of body weight that is fat compared to lean, or body composition, can be made in a doctor's office or a health club, others require expensive, sophisticated equipment and are most often used in research settings. Currently the easiest and therefore most popular way to measure body composition is with a technique that measure current flow through the body, called bio electric impedance analysis.
The two most commonly advanced reasons for the increase in the prevalence of obesity are certain food marketing practices and institutionally-driven reductions in physical activity, which we have taken to calling “the big two.” Elements of the big two include, but are not limited to, the “built environment”, increased portion sizes in commercially marketed food items, inexpensive food sources such as fast food, increased availability of vending machines with energy-dense items, increased use of high fructose corn syrup, and less physical education in schools. It is important to distinguish the big two from energy intake and physical activity energy expenditure or more loosely “diet and exercise” with which they are often inappropriately conflated.
Anorexia serious health problems can be bone thinning, osteoporosis, kidney damage and death. Bulimia Nervosa can cause gum disease, osteoporosis, kidney disease, heart disease and death. Bulimia mostly affects women. Women with eating disorders have more fertility problems, unplanned pregnancy and negative feelings about having a child. Bulimic's health depends on how often she binges and purges. Binges and purges cause swelling of the