A change in the volume of red blood cells has been documented in astronauts since the earliest space missions. Thanks to an experiment conducted aboard the International Space Station, a research team ...

The longer a person has type 2 diabetes, the greater the risk of cardiovascular disease. A new study from Karolinska ...

People living with type 2 diabetes observe an increase over time in the risk of suffering from heart disease. Why does this ...

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 ...

Q: My friend says his uncle is being treated for a disease where he has too much blood and he gets "bloodletting’" every other day, like in the Middle Ages. Is there really such a thing, or is he ...

Red blood cells carry oxygen from the lungs around the body. They then carry carbon dioxide from around the body back to the lungs. These cells are an important component of blood. However, a range of ...

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 ...