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Effects of Aging on the Blood

By Alan E. Lichtin, MD, Cleveland Clinic;Cleveland Clinic Lerner College of Medicine

Aging has some effect on bone marrow and blood cells. The amount of fat in the marrow increases with age, which means there is less cell-producing marrow. While this decrease generally does not cause problems, it may when the body experiences an increased demand for blood cells: the marrow of an older person may be less able to meet those increased demands. Anemia is the most common result.

* This is the Consumer Version. *