What are white blood cells?
White blood cells are created in bone marrow and are a part of the immune system. White blood cells help the body identify and fight a variety of diseases and infections. The human body produces about 100 billion white blood cells each day.
There are five major types of white blood cells:
Who is likely to have a low white blood cell count?
A low white blood cell count can occur in anyone. The number of white blood cells in the body can vary, depending on a person’s age, race, and gender, and if he or she has certain medical conditions.
People who are undergoing certain treatments for cancer are likely to have a low white blood cell count.