FSHN 150 Lecture Notes - Lecture 2: Overnutrition, Anthropometry, Malnutrition
31 Aug 2016
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Consume a variety of foods balanced by moderate intake of each food. 5 food groups: vegetables, fruits, grains, protein, dairy. Intake meets body"s needs o: body has a small surplus-- in times of need. Malnutrition (does not happen overnight: undernutrition (ex: ca & iron) Occurs when nutrient intake does not meet nutrient needs: over-nutrition (kcals) Prolonged consumption of more nutrients than the body needs. Anthropometrics: height, weight, skinfolds, and bmi. Biochemical: blood concentrations of nutrients such as iron. Diet history: history of the previous days" intake. Dietary reference intakes (dri: recommended dietary allowances (rda) Amount of nutrient an individual needs to avoid a deficiency and, if enough information, to optimize health a. ) varies by age, gender, pregnancy, lactation: adequate intakes (ai) Only set an adequate intake if there is not enough scientific information to set an rda: tolerable upper intake levels (uls) Ul is primarily of concern or people who take supplements.
