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| medically, any substance that the body can take in and assimilates that will enable it to stay alive and to grow; the carrier of nourishment; socially, a more limited number of such substances defined as acceptable by each culture. |
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| the study of the nutrients in foods and in the body; sometimes also the study of human behaviors related to food. |
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| the foods (including beverages) a person usually eats and drinks. |
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| components of food that are indispensable to the body's functioning. They provide energy, serve as building material, help maintain or repair body parts, and support growth. The nutrients include water, carbohydrate, fat, protein, vitamins, and minerals. |
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| any condition caused by excess or deficient food energy or nutrient intake by an imbalance of nutrients. Nutrient or energy deficiencies are forms of undernutrition; nutrient or energy excesses are forms of overnutrition. |
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| long-duration degenerative diseases characterized by deterioration of the body organs. Examples include heart disease, cancer, and diabetes. |
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| the full complement of genetic information in the chromosomes of a cell. In human beings, the genome consists of about 35,000 genes and supporting materials. The study of genomes is genomics. |
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| units of a cell's inheritance; sections of the larger genetic molecule DNA (deoxyribo-nucleic acid). Each gene directs the making of one or more of the body's proteins. |
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| an abbreviation deoxyribonucleic acid, the threadlike molecule that encodes genetic information in its structure; DNA strands coil up densely to form the chromosomes. |
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| Energy-Yielding Nutrients |
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Definition
- carbohydrates
- fats
- proteins
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Definition
- Carbohydrates
- Fat
- Proteins
- Vitamins
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