Discover the food substance consisting of protein, carbohydrate, fat, and other nutrients used in the body of an organism to sustain the growth of humans.
Solid, liquid, or semi-liquid substances that are consumed, digestion, and assimilation, provide the organism’s nutrition and growth, fill the decay, produce temperature, gain immunity and provide all the energy the body needs for all physiological functions, are called food. There are various components in food which are: protein, carbohydrates, lipid, vitamins, minerals, water, and fibers. The main purpose of consuming food is the growth of the body, providing energy in the body, body preservation, and controlling the functions of the body. Nutrition is a process of ingestion, digestion, absorption, and utilization of food for the well-being of living organisms. Nutrition has several stages such as food consumption, digestion, absorption, assimilation, and expulsion. After taking food, it is digested and food content is transported through the blood and incorporated into the protoplasm of the body’s cells. Nutrition has some psychological aspects. Malnutrition is the disease caused by a partial or complete deficiency or excesses or imbalance of one or more elements. Malnutrition occurs for several reasons such as excess nutrition, deficiency of nutrition, uneven nutrition, etc. Excess nutrition causes obesity and depression, malnutrition causes material shortage and deficiency diseases, and uneven nutrition results in nutrient imbalances. Mainly four methods are used for the assessment of nutritional statuses such as anthropometric measurement, biochemical assessment, clinical assessment, and dietary survey methods.