Anemia is not a disease. It is a medical condition. It occurs when the red blood cells are lower than normal count. The red blood cells count is generally differ with men and women. This count is more for men and comparatively less for women. Anemia is caused by any activities that change the normal situation of the life. When you lose your blood through accidents, you will catch the anemia. It is also due to the heredity problem. The common symptoms of anemia are hair loss, fatigue, general weakness, skin becomes pale in color, breathing problem and the person has the sense likes heart racing. The treatment for anemia may vary from person to person depends on the cause. Sometimes iron supplement is enough to treat the anemia. For some persons, external blood supply is essential.