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Human nutrition deals with the provision of essential nutrients in food that are necessary to support human life and good health. [1] Poor nutrition is a chronic problem often linked to poverty, food security , or a poor understanding of nutritional requirements. [ 2 ]
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.
The Nutrition Source of Harvard School of Public Health (HSPH) makes the following dietary recommendations: [23] Eat healthy fats: healthy fats are necessary and beneficial for health. [ 24 ] HSPH "recommends the opposite of the low-fat message promoted for decades by the USDA" and "does not set a maximum on the percentage of calories people ...
Human behavior is closely related to human nutrition, making it a subject of social science in addition to biology. Nutrition in humans is balanced with eating for pleasure, and optimal diet may vary depending on the demographics and health concerns of each person. [37] Humans are omnivores that eat a variety of foods. Cultivation of cereals ...
Humans require thirteen vitamins in their diet, most of which are actually groups of related molecules (e.g. vitamin E includes tocopherols and tocotrienols): [20] vitamins A, C, D, E, K, thiamine (B 1), riboflavin (B 2), niacin (B 3), pantothenic acid (B 5), pyridoxine (B 6), biotin (B 7), folate (B 9), and cobalamin (B 12). The requirement ...
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Human nutrition is typical of mammalian omnivorous nutrition requiring a balanced input of carbohydrates, fats, proteins, vitamins, and minerals. However, the human diet has a few very specific requirements. These include two specific amino acids, alpha-linolenic acid and linoleic acid without which life is not sustainable in the medium to long ...
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