Nutrition is a scientific study about how food and drink affect our bodies. With special regard to the essential nutrients necessary to support human health. It uses ideas from molecular biology, biochemistry, and genetics to understand how nutrients affect the human body.
Role of Nutrition
It is a critical part of health and development. Better nutrition is related to improved infant, child, and maternal health, stronger immune systems, safer pregnancy and childbirth, lower risk of non-communicable diseases and longevity.
It also focuses on how people can use dietary choices to reduce the risk of disease, what happens if a person has too much or too little of a nutrient, and how allergies work
Nutrition is Suorce of Energy
It looks at the physiological and biochemical processes involved in nourishment and how substances in food provide energy or are converted into body tissues. These nutrients which are the source of energy for our bodies are classed as carbohydrates, fats, fibre, minerals, proteins, vitamins, and water. Good nutrition means obtaining the right amount of nutrients from healthy foods in the right combinations. An important part of the study of nutrition is looking at the diseases that can result from malnutrition and the role food plays in the development of the chronic disease.