A group of researchers are asking the Food and Drug Administration (FDA) to reduce maximum storage limit for red blood cells from 6 weeks to 5 weeks, as long as there are sufficient blood supplies available. The researchers at New York Presbyterian enrolled 60 healthy adult volunteers, who had a single standard, autologous, leukoreduced, packed red cell transfusion after 1, 2, 3, 4, 5, or 6 weeks of storage.

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