EDU-11: Developmental perspectives in education

Understanding nutrition 

Food:
•Food is any edible material that supports growth, repair and maintenance of the body.
•Any edible substance that we consume to fulfil our daily requirement of nutrition is known as food.
•What food does in the body does through the nutrients it contains. Body utilizes these nutrients to grow and keep healthy and strong.

Nutrition:
• The term ‘Nutrition’ is derived from Latin word nutritional, meaning nourishment. 
• Nutrition is the process by which body utilizes food for growth and maintenance and healthy living. 
•A science of food and it’s relationship to health and concerned with the part played by food nutrients body growth, development and function.
• Nutrition is the combination of processes by which the living organisms receives and uses the food materials necessary for growth, maintenance of functions and repair of component parts.
• Simply put the word nutrition is used to refer to the processes of the intake, digestion and assimilation of nutrients resulting in maintenance health and combat disease.

Human nutrition:-
Deals with food and nutritional requirements of human beings at different age, sex and physiological status, nutritional imbalances in human beings and various measures for overcoming such deficiencies and imbalances. 

Clinical nutrition:-
Is the branch of human nutrition dealing with the physiological, pathological and therapeutic aspects of nutrition.

Public health nutrition:-
Is the branch of human health and the services necessary to maintain its human health. Efforts through national health services and other health related agencies and institutions to promote human nutrition.

Community nutrition:-
Is the process of helping individuals and groups develop healthy nutrition. Community nutrition is same as public health nutrition.

Objectives of nutrition :
• To promote the physical and mental growth and development of human beings. 
• Building and repairing of tissues and cell damage by infection and injuries. 
• To provide energy for doing works.
• To protect the human beings from infections and deficiency disorders.

Significance of nutrition:
• Adequate nutrients is required for growth, development and maintenance of normal functions. 
• Under nutrition contributes to 60% deaths amongst under five children (WHO,2002)
• More than 85% of children in India suffer from malnutrition (44% mild malnutrition, 38% moderate nutrition, 4.6% severe malnutrition) 
• About 55% men and 75% women are anaemic.
• Epidemiological data shows strong association between nutrition and morbidity/mortality. 
• Chronic degenerative disorders such as coronary artery disease, hypertension, type 2 diabetes, certain cancers etc. are related to diet and nutritional status. 
• Obesity is associated with higher risk of developing cancer breast, colon, endometrium, gallbladder, oesophagus, pancreas etc.
• Consumption of foods rich in dietary fibres and antioxidants is associated with reduced risk of certain cancers. 
• Under nutrition during foetal and early childhood is known to be associated with chronic degenerative disorders in later life.

Nutrients:
• Organic and inorganic complexes contained in food are called as nutrients. 
• Useful chemical substances derived from food by the body are called nutrients. 
• Which provides energy, helps to grow well and• 50 different nutrients are supplied by foods to our body.
• Each nutrient has it’s own specific function. 
• Most of the food contain more than one nutrient.
• Nutrients are divided into two parts mainly as macronutrients and micronutrients.


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