As blood banks across the U.S. report dangerously low supplies of O-negative blood (red blood cells), anesthesiologists are calling for increased donation and changes in how hospitals use this ...

Criteria for superior efficacy not met in trial involving air ambulances ...

Blood tests are the most common way for health professionals to detect and diagnose a range of medical conditions. But can it ...

Stem cells are precursors of a variety of different cells: They can turn into anything from blood to bone to muscle. Human blood stem cells, known as hematopoietic stem cells, are the forerunners of ...

T cells are supposed to be relentless. These white blood cells patrol the body, identify threats, and destroy them.

What Is a RDW Blood Test? An RDW blood test – also known as a red blood cell distribution width blood test – is a measure of the difference in your red blood cells’ size and volume. RDW is one part of ...

Scientists have long known that people living at high altitudes, where oxygen levels are low, have lower rates of diabetes than people living closer to sea level. But the mechanism of this protection ...

Here are five tests worth asking your doctor about at your next visit. The complete blood count, or CBC, measures red blood ...

Red blood cells transport oxygen throughout your body, including to vital organs and tissues. They also help your body get rid of carbon dioxide. Too little or too many red blood cells may be ...

Learn what vitamin B6 does in your body, including benefits for brain health, energy, immunity, heart health. Plus, the best food sources of this essential nutrient.