Human Nutrition Lecture 3

Human Nutrition Lecture 3 - Human Nutrition Lecture...

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Human Nutrition Lecture 3 -Ecological studies Rather than determining which individuals became sick or dies these studies refer to the average person Risk factor benefits may not prove to improve health outcomes Usually focuses on one health outcome, not overall health -fiber is essential to your diet and does not cause immediate adverse effects if not consumed Daily Values: On nutrient facts labels of packaged foods Not found on vegetables, fruits, foods without packages Relationship to DRI: highest gender/age value used Most useful for: comparing similar packaged products Not useful or intended for: use by an individual for guidance in meeting their personal nutrient requirements (especially true for individuals with age/gender requirements different than DVs) Other Nutrient Standards WHO Food and Agriculture Org. Canadian Food Org. Food Groups -the final guidelines are somewhat inconsistent with DGAC recommendations -scientists work to prepare a draft and the USDA make the final draft of the guidelines -choose most often high nutrient density -limit selections of low nutrient density (nutrients per calories) -number and amount of nutrients relative to calories
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