Human Nutrition

1. Introduction

Introduction to Human Nutrition

Human Nutrition is the study of how food and nutrients support body functions, growth, and health. It focuses on balanced diets, nutrient needs, and the prevention of nutrition-related diseases.

2. Definition of terms

Here are some common terms in Human Nutrition and their definitions:

1. Nutrition – The science of how the body uses food for growth, energy, and health.

2. Nutrients – Substances in food that the body needs to function properly, such as carbohydrates, proteins, fats, vitamins, minerals, and water.

3. Balanced Diet – A diet that contains the right proportions of all essential nutrients needed by the body.

4. Malnutrition – A condition caused by eating too little, too much, or an unbalanced diet, leading to poor health.

5. Macronutrients – Nutrients required in large amounts: carbohydrates, proteins, and fats.

6. Micronutrients – Nutrients needed in small amounts: vitamins and minerals.

7. Metabolism – The chemical processes in the body that convert food into energy and other necessary substances.

8. Dietary Fibre – Plant-based substances that help in digestion but are not absorbed by the body.

9. Obesity – A condition where excess body fat increases the risk of health problems.

10. Deficiency Disease – Illnesses caused by a lack of specific nutrients, e.g., scurvy from lack of vitamin C.

3. Importance of human Nutrition

Importance of Human Nutrition 

1. Supports growth and development

2. Boosts immunity

3. Prevents malnutrition and diseases

4. Provides energy for daily activities

5. Enhances mental and physical health

6. Aids in recovery and healing

7. Promotes a healthy, longer life