Nutrition (diet) is the intake and use of the nutrients the body needs for growth, development, healthy and productive living, and a better quality of life.
Nutrition is one of our most basic needs. Since the early twentieth century, scientific research has established nutrition as a field of science. Sound nutrition is based on an individual assessment of the types, amounts and properties of nutrients, and of how they function in the body. The composition of foods, their physical and chemical properties, and the processes they go through from production to consumption all affect food quality. Nutrition plans for people of different ages, sexes, occupations and special conditions should be prepared under the guidance of a dietitian.
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