Red blood cells carry oxygen from the lungs to every other organ, and blood-forming stem cells must make about 200 billion new red blood cells each day to keep the oxygen flowing. For many years, ...

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 ...

University of Cambridge scientists have used human stem cells to create three-dimensional embryo-like structures that replicate certain aspects of very early human development—including the production ...

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 ...

How do cells and protein molecules respond to stress as they travel through blood vessels? Could resulting changes to these biological components impact how diseases are spread? Researchers at ...

Hidden Guests” explores how the emerging field of microchimerism is upending medicine, genetics, and our sense of self.

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 ...

Hemoglobin serves as the essential protein in red blood cells responsible for transporting oxygen from the lungs to tissues throughout the body. When levels fall below normal ranges (typically below ...