Your blood is a delicate mixture. Researchers and clinicians often use blood to learn what's going on inside our bodies, in part because siphoning off a tube of blood is easier and less painful than ...

Red blood cells, also called erythrocytes, naturally tend to form reversible clusters known as aggregates. This process affects blood viscosity—a property closely linked to circulation and oxygen ...

If a patient or research study volunteer is having a blood draw at or near a research facility that can perform this type of experiment on site, time delay doesn’t come into play. But for research ...