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anorexia nervosa
refusal to eat because of a distorted body image and feeling of obesity.
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bulimia
eating disorder characterized by ingestion of large amounts of food, followed by purging behavior such as induced vomiting or laxative abuse.
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complete protein food
food containing all the essential amino acids.
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Dietary Reference Intakers
a label for several terms that estimate nurtient needs; includes Recommended Dietary Allowance, Adequate Intake, Tolerable Upper Intake Level, and Estimated Average Requirement.
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essential amino acids
amino acids that cannot be synthesized by the body and must be obtained from foods.
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gynecologic age
number of years since menarche (first menstrual period).
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heme iron
iron obtained from meat, poultry, or fish sources; the form most usable by the body.
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incomplete protein food
food that does not contain all the essential amino acids.
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kilocalorie
a unit of heat used to show the energy value in foods, commonly called a calorie.
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lacto-ovovegetarian
a vegetarian whose diet includes milk products and eggs.
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lactose intolerance
inability to digest most dairy products because of a deficiency in the enzyme lactase.
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lactovegetarian
a vegetarian whose diet includes milk products.
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nonheme iron
iron obtained from plants and fortified foods.
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nutrient density
quanity and quality of protein, vitamins, and mineral per 100 calories in foods.
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ovovegetarian
a vegetarian whose diet includes eggs.
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pica
ingestion of nonnutritive substances, such as laundry starch, clay, or ice.
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vegan
a complete vegetairan who does not eat any animal products.
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vegetarian
an individual whose diet consists wholly or mostly of plant foods and who avoids animal food sources.
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