Scientists have long known that people living at high altitudes, where oxygen levels are low, have lower rates of diabetes ...

A low red blood cell (RBC) count increases the risk of anemia. Ways of boosting RBCs include eating foods that contain iron, vitamins B12 and B9, vitamin C, vitamin A, and copper. Increasing exercise ...

A red blood cell (RBC) count measures the number of red blood cells in a sample of blood. It is part of a battery of tests called a complete blood count (CBC) that measures the different types and ...

High-altitude living may reduce diabetes risk as red blood cells act like glucose "sponges," absorbing sugar from bloodstream in low-oxygen environments, research suggests.

Running extreme distances may strain more than just muscles and joints. New research suggests ultramarathons can alter red blood cells in ways that make them less flexible and more prone to breakdown, ...