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        | "the study of foods, their nutrients, and other chemical constituents, and the effects they have on the body |  | 
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        | Food insecurity is a problem in developing countries but not in the united states or canada |  | Definition 
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        | Chemical substances in food that are used by the body for growth and health are |  | Definition 
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        | chemical substances that prevent or repair damage to cells caused by exposure to oxidizing agents such asenvironmental  pollutants, smoke, ozone and oxygen |  | Definition 
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        | foods that contain relatively high amounts of nutrients in relation to their caloric value |  | Definition 
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        | the chemical changes that take place in the body |  | Definition 
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        | limited or uncertain availability of safe, nutritious foods or the ability to acquire them in socially acceptable ways |  | Definition 
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        | A unit of measure of the amount of energy supplied by food |  | Definition 
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        | nutrients required for normal growth and health that the body can generally not produce in sufficient amount |  | Definition 
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        | poor nutrition resulting from an excess or lack of calories or food nutrients |  | Definition 
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        | 5 reason hygenists need to study nutrition |  | Definition 
 
        | our profession requires it,oral cavity is mirror to overall health,leading cause of toothloss is caries,leading cause of death is poor nutrition, we want to help people become health |  | 
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        | Term 
 
        | 6 categories of nutrients are |  | Definition 
 
        | carbs,proteins,fat,minerals,vitamins,water |  | 
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        | Term 
 
        | vitamins,minerals,and water function as |  | Definition 
 
        | chemicals needed to convert carbs,fat,and protien into energy and for building/maintaing muscles,blood composition,bones,and tissues |  | 
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