Conceptual framework

Nutrition or nourishment is
the supply of material food required by organism and cells to stay alive. In
science, it is the practice of consuming and utilizing food. National science
studies how the body breaks down food (catabolism) and repairs and creates
cells and tissue (anabolism). Catabolism and anabolism together gives
metabolism. Nutritional science also examines how the body responds to food in
other metabolic and physiological responses of the body to diet (Ghassemi,
2013).

As molecular biology,
biochemistry and genetics, nutrition has become more focused on the steps of
biochemistry sequences through which substance inside use and other living
organizations are transformed from one form to another metabolisms and
metabolic pathway. Nutrition also focuses on low diseases conditions and
problem can be prevented or lessened with a healthy diet.
Nutrition involves
identifying how certain diseases, conditions or problems may be caused by dietary
factors such as poor diet (malnutrition) food averages, metabolic disease etc.
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