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[3] [19] Physical activity and exertion as well as enhanced muscular mass increase the need for protein. Requirements are also greater during childhood for growth and development, during pregnancy, or when breastfeeding in order to nourish a baby or when the body needs to recover from malnutrition or trauma or after an operation.
Sports nutrition is the study and practice of nutrition and diet for maintaining and improving athletic performance. Nutrition is part of many sports training regimens, being used in strength sports (such as weightlifting and bodybuilding ) and endurance sports (e.g., cycling , running , swimming , rowing ).
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.
By definition, phytochemicals include all nutritional and non-nutritional components of edible plants. [37] Included as nutritional constituents are provitamin A carotenoids , [ 38 ] whereas those without nutrient status are diverse polyphenols , flavonoids , resveratrol , and lignans that are present in numerous plant foods. [ 39 ]
Foods high in magnesium (an example of a nutrient) 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]
The word diet often implies the use of specific intake of nutrition for health or weight-management reasons (with the two often being related). Although humans are omnivores , each culture and each person holds some food preferences or some food taboos.
Nutrition education promotes healthy-eating and exercise behaviors. [3] The work of nutrition educators takes place in colleges, universities and schools, government agencies, cooperative extension, communications and public relations firms, the food industry, voluntary and service organizations and with other reliable places of nutrition and health education information. [2]
Nutritional science is often combined with food science (nutrition and food science). Trophology is a term used globally for nutritional science in other languages, in English the term is dated. Today, it is partly still used for the approach of food combining that advocates specific combinations (or advises against certain combinations) of food.