In actual fact anaemia is not a disease. It is a condition in which the number of healthy red blood cells falls below normal in a body. This is mostly caused by a deficiency in Iron. Iron is used to produce red blood cells, which help store and carry oxygen in the blood.
If you have fewer red blood cells than is normal, your organs and tissues would not get as much oxygen as they usually would.
There are different types of anaemia and each has a different cause, although Iron deficiency anaemia is the most common type.
In anaemia blood is lost or destroyed faster than the body can replace it. The red blood cells normally carry oxygen from the Lungs to tissues through out the body.
There the oxygen combines with food to release energy that the body needs to function properly.