Iron is a mineral that plays many important roles in the body. It forms part of all cells and carries oxygen from the lungs to the rest of the body, and helps the muscles store and use oxygen. Iron is also part of many enzymes that help the body digest food.
When there is an iron deficiency, many parts of the body is affected. Iron deficiency during pregnancy increases the risk of premature births, as well as delaying the normal infant mental function.
Adults who have a lack of iron in their bodies suffer from fatigue that impairs their ability to perform physical work. In teenagers, iron deficiency may cause memory and mental problems.
Iron deficiency have two main categories: Increased iron needs and decreased iron absorption.