Human Nutrition

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.