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Nutrition Definition

Nutrition is the science that interprets the interaction of nutrients. Other substances in food in relation to maintenance, growth, health, reproduction, and disease of an organism. It includes food intake, assimilation, biosynthesis, absorption, catabolism, and excretion. According to nutrition definition, the diet of an organism is what it eats. Which is largely determined by the palatability and availability of foods. For humans, a healthy diet includes the preparation of food and storage methods. That preserve nutrient from oxidation,  leaching or heat. And that reduces the risk of foodborne illnesses.

 

  • In humans, an unhealthy diet can cause deficiency-related diseases such as blindness,  preterm birth, stillbirth, anemia, scurvy, and cretinism. Nutrient excess health-threatening conditions such as metabolic syndrome and obesity.
  • Such common chronic systemic diseases as diabetes, cardiovascular disease, and osteoporosis. Undernutrition can lead to wasting in acute cases, and the stunting of marasmus in chronic cases of malnutrition.

Types of nutrition

There are several types of nutrition. A balanced diet means eating food from the four main food groups: proteins, fats, carbohydrates, and vitamins and minerals.

  • Proteins help our bodies to repair themselves and fit our body. They are found in foods such as meat, nuts, fish, seeds, eggs, and cheese.
  • Fats give our bodies energy that can be provided and stored a fat layer under our skin to keep us warm. They are found in foods such as cheese, butter, and fried foods.
  • Carbohydrates give us energy to our body. They are found in foods such as potatoes bread, and pasta.
  • Vitamins and minerals help with all sorts of jobs around our bodies such as building strong bones, healing wounds. And also teeth, making blood and keeping our brain working. According to nutrition definition Vitamins and minerals are found in foods such as vegetables, fish, fruits, and milk.

Why is nutrition important?

A healthy diet throughout life promotes healthy pregnancy outcomes, development, supports normal growth. Aging helps to maintain a healthy body weight and reduces the risk of chronic disease. Leading to overall health and well-being.

  • A diversified, healthy and balanced diet will vary depending on:
  • age.
  • gender.
  • lifestyle.
  • locally available foods.
  • dietary and food customs.
  • the degree of physical activity.
  • cultural context.

 

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