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Health
Chapter 7 (Nutrition)
Term | Definition |
---|---|
nutrition | the science or study of food and the ways in which the body uses food |
nutrient | a substance in food that provides energy or helps form body tissues and that is necessary for life and growth |
carbohydrate | a class of energy-giving nutrients that includes sugars, starches, and fiber |
fat | a class of energy-giving nutrients; also main form of energy storage in the body |
protein | a class of energy-giving nutrients that are made up of amino acids, which are needed to build and repair body structures and regulate processes in the body |
vitamin | a class of nutrients that contain carbon and are needed in small amounts to maintain health and allow growth |
mineral | a class of nutrients that are chemical elements that are needed for certain body processes, such as enzyme activity and bone formation |
Recommended Dietary Allowances (RDAs) | recommended nutrient intakes that will meet needs of almost all healthy people |
Daily Value (DV) | recommended daily amount of a nutrient; used on food labels to help people see how a food fits into their diet |
Dietary Guidelines for Americans | a set of diet and lifestyle recommendations developed to improve health and reduce nutrition-related disease risk in the U.S. population |
nutrient density | a measure of the nutrients in a food compared with the energy the food provides |
vegetarian | a dietary pattern that includes few or no animal products |
calcium, copper, magnesium, phosphorous | minerals important for bone development |
starches | a kind of complex carbohydrate |
Six Essential Nutrients | carbohydrates, fats, proteins, vitamins, minerals, and water |
number of calories per gram in fats, proteins, and carbohydrates | Carbs-4, Protein-4, Fats-9 |
water | important for waste removal, temperature regulation, and maintenance of the proper environment for chemical reactions |
junk food | food that provides few nutrients relative to the energy it contains |
fiber | aids in digestion and may help prevent cancer and heart disease |
Vitamins B1, B2, B3 and B5 | needed to produce energy from carbohydrates, fats and/or proteins |
increase calcium intake | eating more dark-green leafy vegetables and bony fish |