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2. Human nutrition - Wikipedia

   en.wikipedia.org/wiki/Human_nutrition

   The Recommended Dietary Allowances (RDAs) are scientifically determined levels of essential nutrient intake, deemed sufficient by the Food and Nutrition Board to meet the nutritional needs of nearly all healthy individuals. The first RDAs were published in 1943, during World War II, with the aim of setting standards for optimal nutrition. The ...

3. Healthy diet - Wikipedia

   en.wikipedia.org/wiki/Healthy_diet

   A healthy diet is a diet that maintains or improves overall health. A healthy diet provides the body with essential nutrition: fluid, macronutrients such as protein, micronutrients such as vitamins, and adequate fibre and food energy. [2][3] A healthy diet may contain fruits, vegetables, and whole grains, and may include little to no ultra ...

4. Nutrition - Wikipedia

   en.wikipedia.org/wiki/Nutrition

   Nutritional science is the study of nutrition, though it typically emphasizes human nutrition. The type of organism determines what nutrients it needs and how it obtains them. Organisms obtain nutrients by consuming organic matter, consuming inorganic matter, absorbing light, or some combination of these.

5. Dietary Reference Intake - Wikipedia

   en.wikipedia.org/wiki/Dietary_Reference_Intake

   Dietary Reference Intake. The Dietary Reference Intake (DRI) is a system of nutrition recommendations from the National Academy of Medicine (NAM) [a] of the National Academies (United States). [1] It was introduced in 1997 in order to broaden the existing guidelines known as Recommended Dietary Allowances (RDA s, see below).

6. Diet (nutrition) - Wikipedia

   en.wikipedia.org/wiki/Diet_(nutrition)

   Diet (nutrition) A selection of magnesium-containing food consumed by humans. The human diet can vary widely. In nutrition, diet is the sum of food consumed by a person or other organism. [1] The word diet often implies the use of specific intake of nutrition for health or weight-management reasons (with the two often being related).

7. Social class differences in food consumption - Wikipedia

   en.wikipedia.org/wiki/Social_class_differences...

   Social class differences in food consumption refers to how the quantity and quality of food varies according to a person's social status or position in the social hierarchy [citation needed]. Various disciplines, including social , psychological , nutritional, and public health sciences , have examined this topic.