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education/nutrition/Dietary Reference Intakes.md

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+Dietary Reference Intake (DRIs) are a set of energy and nutrient intake standards that can be used as references when making dietary recommendations.
+
+Dietary Guidelines for Americans are updated every 5 years.
+
+DRIs include:
+##  Estimated Average Requirements (EARs)
+The amount of nutrient that should meet the needs of 50% of healthy people who are in a particular life-stage/sex group.
+### Estimated Energy Requirements (EERs)
+The average daily energy intake that meets the needs of a healthy person maintaining their weight.
+EER takes into account:
+- Physical activity level
+- Height
+- Weight
+- Sex
+- Life stage
+- Health status
+## Recommended Dietary Allowances (RDAs)
+ The standard for recommended daily intake of several nutrients.
+## Adequate Intakes (AIs)
+Recommendations that assume a population's average daily nutrient intakes are adequate because no deficiency diseases are present.
+
+## Tolerable Upper Intake Levels (ULs)
+The highest average amount of a nutrient that is unlikely to harm most people.
+## Acceptable Macronutrient Distribution Range (AMDR)