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There are more than 400 types of anemia. These types of anemia are divided into three main groups, according to their cause. There is anemia caused by blood loss, by decreased or faulty red blood cell production, and by destruction of red blood cells.
The three most common types of anemia are iron deficiency anemia, vitamin B12 deficiency anemia, and folic acid deficiency anemia. Your RBCs carry oxygen, which means that if your are anemic then your body will not get enough oxygen. Without adequate oxygen, your body canât function properly and youâll feel tired.