Neutropenia
Neutropenia is when you have a low number of neutrophils (white blood cells) and may face increased risk of infection. Learn more about managing this condition.
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White blood cells
White blood cells are a vital part of your immune system, detecting and dealing with infections. Find out more more about health problems involving white blood cells.
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Blood and blood vessels
Blood flowing through the blood vessels carries oxygen, nutrients and waste around the body. Find out the components of blood.
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