This June 2014 image provided by the National Institutes of Health, shows red blood cells in a patient with sickle cell disease at the National Institutes of Health Clinical Center in Bethesda, Md. A ... more 
This June 2014 image provided by the National Institutes of Health, shows red blood cells in a patient with sickle cell disease at the National Institutes of Health Clinical Center in Bethesda, Md. A small but promising government study by National Institutes of Health found that bone marrow transplants can reverse severe sickle cell disease in adults. Results were published Tuesday, July 1, 2014, in the Journal of the American Medical Association. (AP Photo/National Institutes of Health) less 
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Associated Press | Photo By National Institutes of Health
Tue, Jul 1, 2014 5:33 PM EDT