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, ...

The red cell distribution width (RDW) blood test measures differences in the volume and size of your red blood cells. Red blood cells help carry oxygen from the lungs to other parts of your body.

Red blood cells are complex — there's much more to blood types than A, B and O.

Scientists have uncovered a new biological mechanism behind tissue and organ damage in low-oxygen conditions like heart attacks, strokes, and severe COVID-19. Bursting red blood cells—not ...

Glutamine metabolic switch is key to red blood cell development and disease.

The science behind blood’s color Blood gets its color from hemoglobin, the protein in your red blood cells that carries oxygen throughout your body.

Most people don't think about their blood type in their day-to-day lives unless they're donating blood, but perhaps they should be more aware of it.

DARPA wants to test whether modifying red blood cells would enhance troop performance. The Red Blood Cell Factory program aims to insert biologically active components in cells. The agency says ...