Why do people need bone marrow transplants?

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A bone marrow transplant is a medical procedure performed to replace bone marrow that has been damaged or destroyed by disease, infection, or chemotherapy. This procedure involves transplanting blood stem cells, which travel to the bone marrow where they produce new blood cells and promote growth of new marrow.Every year, thousands of individuals worldwide with blood diseases such as leukaemia, marrow failure or aplasia, and inherited metabolic and immune deficiency syndromes reach a stage where only a stem cell transplant can drive the disease into remission.

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