1There are several causes of anemia, including:

Iron deficiency
Iron deficiency is a form of nutritional deficiency and a leading cause of anemia in the world. It can result from a lack of iron in the diet, blood loss, or pregnancy. Without enough iron, your body can’t make enough red blood cells. RBCs carry oxygen to your tissues. If you don’t have enough RBCs, you may feel tired and weak. It is treated with iron supplements and dietary changes.