Nutrition is the science and a perfect way of life that interprets the nutrients and other substances in
food in relation to maintenance, growth, reproduction, health and disease of an organism. It includes
food intake and daily life style also but absorption, assimilation, biosynthesis, catabolism and excretion
are also the important part of nutrition.
The diet of an organism is also depend on the availability and palatability of foods.
For humans, a healthy diet includes preparation of food and storage methods that preserve nutrients from oxidation, heat or leaching, and that reduces risk of foodborne illnesses.
There are seven major classes of human nutrients like carbohydrates, fats, fiber, minerals, proteins,
vitamins, and water. Nutrients can be grouped like macronutrients or micronutrients.
In humans, an unhealthy diet can be the cause many type of diseases such as blindness, anemia, scurvy, preterm birth, stillbirth and cretinism.
nutrient excess health-threatening conditions such as obesity and metabolic syndrome; and such common chronic systemic diseases as cardiovascular disease,diabetes, and osteoporosis.
Undernutrition can lead to wasting in acute cases, and the stunting of marasmus in chronic cases of malnutrition.
Nutritionists apply ideas from molecular biology, biochemistry, and genetics to understand the method of nutrients affect the human body.
Nutrition also focuses on the people can use dietary choices to reduce the risk of disease, if a person has too much or too little of a nutrient, and how allergies work.
Nutrients provide nourishment. Proteins, carbohydrates, fat, vitamins, minerals, fiber, and water are all nutrients.
If people do not have the right balance of nutrients in their diet, their risk of developing certain health conditions increases.
This article will explain the different nutrients a person needs and why. It will also look at the role of the dietitian and the nutritionist.