Hemoglobin, long celebrated for ferrying oxygen in red blood cells, has now been revealed to play an overlooked—and ...

Jeffrey Carson spent more than a decade persuading hospitals that fewer, resource-saving blood transfusions work just as well ...

By the time the 30-year-old new mother arrived at the hospital ... voice of Isaacs over the phone as he approved the transfusion of two units of packed red blood cells, the oxygen-carrying component ...