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Nutrition is
the food people eat and how their bodies use it.
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Nutrition is
the sum of the process involved with the intake of nutrients as well as assimilating and using them to maintain the body tissue and provide energy; a foundation for life and health.
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Signs of Good Nutrition
good nutrition is evidenced by a well developed body, ideal weight for body consumption and height, and good muscle development.
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Functions of Nutrients in Food
- 1. Provide energy
- 2. Build tissue
- 3. Regulate metabolic processes
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Energy Source
- 1. Carbs
- 2. Fats
- 3. Proteins
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Tissue Building
- 1. Proteins
- 2. Other Nutrients such as vitamins, minerals and fatty acids
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Regulation and Control
- 1. Vitamins - function as coenzyme factors, components of cell enzymes react during metabolism
- 2. Minerals- serve as coenzyme factors with enzymes in cell metabolism
- 3. Water and Fiber- function as regulatory agents.
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Optimal Nutrition- Nutritional States
person receives and uses substances obtained from a varied and balanced diet of carbs, fats, proteins, minerals, vitamins, and water in ideal amounts.
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Malnutrition - Nutritional States
refers to a condition caused by improper or insufficient deit.
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Undernutrition
signs of more serious malnutrition appear when nutritional reserves are depleted and nutrient and energy intake is not sufficient to meet needs or added metabolic stress.
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Overnutrition
results from excess nutrient and energy intake over time.
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MyPyramid
provides the public with a valuable nutrition education tool. Guidelines for grains, vegetables, fruits, milk, and meat and beans.
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Dietary Reference Intakes (DRIs)
nutrient recommendations for each gender and age group that can be used for assessing and planning diets for healthy populations.
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Recommended Dietary Allowances (RDAs)
recommended daily allowances of nutrients and energy intake for population groups according to age and sex, with defined weight and height.
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Metabolism
the sum of all chemical changes that take place in the body by which it maintains itself and produces energy for its functioning.
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