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high in nutrients relative to calories provided


excess body fat or adipose tissue


weighing more than 10% over the standard weight for height

body mass index

the ratio of weight to height


not consuming enough essential nutrients

bulimia nervosa

a disorder in which cycles of overeating are followed by some form of purging and clearing of the digestive tract

weight cycling

the cycling of losing, regaining, losing, and regaining

anorexia nervosa

a disorder in which the irrational fear of becoming obese results in severe weight loss from self-induced starvation


restoring lost body fluids


very large amounts of nutrient supplements

nutrient supplements

pills, powers, liquids and other synthetic forms of nutrients


vegetarians who eat only foods of plant origin

carbohydrate loading

storing extra glycogen in the muscle for athletic activity


the loss of excess body fluids

food allergy

condition in which the body's immune system overreacts to food substances


treated by a process of heating to destroy or slow the growth of pathogens


the spreading of bacteria in food


liable to spoil

foodborne illness

food poisoning

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