Anemia

Iron deficiency anaemia is the commonest form and results from a shortage of iron from a poor diet, blood loss, illness or infection. Pregnant women are particularly at risk. Pernicious anaemia develops due to lack of intrinsic factor, which is secreted by the stomach which prevents absorption of vitamin B12 required for red blood cell production. It affects vegetarians and group a particularly.

Megaloblastic anaemia results from shortage of folic acid, which is found in fresh vegetables, fruits and liver. This is more seen in elderly people and pregnant women.

Improper formation of red blood cells.

Continuous blood loss as in trauma and heavy menstruation.

Prolonged illness.

It can sometimes be a hereditary tendency.