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Nutrition is the biochemical and physiological process by which an organism uses food to support its life. It provides organisms with nutrients , which can be metabolized to create energy and chemical structures.
According to the United Nations World Health Organization, the greatest challenge in developing nations today is not starvation, but insufficient nutrition – the lack of nutrients necessary for the growth and maintenance of vital functions. The causes of malnutrition are directly linked to inadequate macronutrient consumption and disease, and ...
Nutritionism is a paradigm that assumes that it is the scientifically identified nutrients in foods that determine the value of individual food stuffs in the diet. [1] In other words, it is the idea that the nutritional value of a food is the sum of all its individual nutrients, vitamins, and other components.
People on a balanced vegetarian or vegan diet can obtain adequate nutrition, but may need to specifically focus on consuming specific nutrients, such as protein, iron, calcium, zinc, and vitamin B 12. [5] [2] [6] Raw foodism and intuitive eating are other approaches to dietary choices. Education, income, local availability, and mental health ...
Nutritional science (also nutrition science, sometimes short nutrition, dated trophology [1]) is the science that studies the physiological process of nutrition (primarily human nutrition), interpreting the nutrients and other substances in food in relation to maintenance, growth, reproduction, health and disease of an organism.
According to these two organizations, health diets are: Adequate , as they meet, without exceeding, our body’s energy and essential nutrient requirements in support of all the many body functions. Diverse , as they include various nutritious foods within and across food groups to help secure the sufficient nutrients needed by our bodies.
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The successor to the Food Pyramid called MyPlate has also received numerous criticisms, but unlike the Food Pyramid, which was very well known, the MyPlate program has yet to become publicly well known, with as many as "3 out of 4 Americans [having] no idea what the government's MyPlate dietary guide [even] is." [41]