B0007649 Blood cells in a blood vessel
In yet another study linking healthy blood flow to brain health, new research finds that older adults with anemia - low levels of red blood cells - have an increased risk for dementia.
There was a time, in the 1950s, when leukemia and other blood cancers were pretty much a death sentence. There was a last-resort treatment: a bone marrow transplant, which can make new blood cells to replace cancerous ones killed by cancer treatments. Back then, however, recipients of bone marrow transplants hardly ever survived for very long. In some cases, their bodies rejected the transplanted marrow. In others, the marrow itself - which contains immune system cells - would attack the patients' lungs, kidneys and other organs. The few successes occurred when a patient received marrow from an identical twin.
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