White blood cells are extremely important to our body and, most of all, our immune system. Also called leukocytes, white blood cells move through your body via your bloodstream. They find and detect foreign invader cells such as infection or bacteria, and they fight them off to keep you healthy. There are many reasons why your white blood cell count could be low. Normally, the body is constantly producing new white blood cells, but occasionally something goes wrong. When this happens, your doctor can help you to decide on the best course of action to restore the cells.
1. Problems with Bone Marrow
Bone marrow, the innermost layer of your bones, is a spongy substance whose job involves producing blood cells. Many times, low white blood cell counts are a result of a problem with the bone marrow. Some of these problems can include cancer or infections or can be a result of the treatment for these problems, such as radiation. You can learn more about each of these in the following items in this list.