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NUTRITION
Science of how living organisms obtain and use food to support all the processes required for existence
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Disciplines within the study of nutrition
- • Food production and availability
- • Why people choose to eat certain things
- • Cultural influences on food intake and nutritional status
- • How the body breaks down food and uses it for chemical and mechanical processes
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NUTRITIONAL SCIENTIST
Scientists who study nutrition in immunology, medicine, genetics, biology, physiology, biochemistry, education, psychology, sociology
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DIETICIAN
Nutrition professionals who help people make dietary changes and food choices to support a healthy lifestyle.
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6 Main Nutrient Categories - Based upon chemical structure and composition
• Carbohydrates • Proteins • Lipids • Water • Vitamins • Minerals
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ESSENTIAL NUTRIENT
A substance that must be obtained from the diet, because the body cannot make it in required amounts
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NONESSENTIAL NUTRIENT
A substance found in food and used by the body to promote health but not required to be consumed in the diet
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CONDITIONALLY ESSENTIAL NUTRIENT
Normally nonessential nutrient that, under some circumstances, becomes essential
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MACRONUTRIENT
The class of nutrients that we need to consume in relatively large quantities (Water, Carbohydrates, Proteins, Lipids/Fats)
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MICRONUTRIENT
The class of nutrients that we need to consume in relatively small quantities (Vitamins, Minerals)
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