Nutrients are found in the variety of foods that we eat. We have six types of food from where we get all nutrients.

TYPES OF FOOD

Carbohydrates: Energy-giving foods made up of sugars or starches. Examples are yam, banana, cassava, maize, and rice.
Protein: make us grow, strong and repair the body. Examples are Beans, fish, egg.
Fat: also gives us energy for work and play.it keeps us warm. Examples are Palm oil, Soy oil, Margarine, vegetable oil.
Vitamins: it protect us from diseases. Examples are fruits, corn.
Minerals: help to form strong bones and teeth. Examples are Milk, meat vegetables, fruits, grains, beans and starchy vegetables.
Water: it carries other nutrients to all parts of the body and helps to remove wastes from the body.

NUTRITIONAL DEFICIENCY DISEASES

Nutritional diseases are illness that happen as a result of inadequate, poor diet.

Inadequate and poor diet causes various diseases like:

KWASHIORKOR: it is cause by eating mostly carbohydrate food. The person lack food that contains protein, vitamin C, iodine and folic acid
RICKETS: it is the softening of bones in children due to deficiency in vitamin D, magnesium, calcium.
PELLAGRA: it is a vitamin deficiency disease caused by lack of niacin (Vitamin B3) in the diet. Not eating enough vegetables, sea foods, meat and egg can also cause PELLAGRA.
SCURVY: happens when there is deficiency of Vitamin C (fruits and vegetables).
BERIBERI: caused by thiamin (Vitamin B) and excessive intake of alcohol.
ANEMIA: it occurs when the red blood cells are unable to carry enough to the body cell. It is caused by lack of vegetables, eggs, liver and meat.
DIABETICS: it happens when the blood glucose level is higher than normal.it can be prevented by living a healthy life style.