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 ...

Human bodies make 2 million red blood cells per second. They each live for 120 days and spend that time zooming completely around the body every 20 seconds, carrying oxygen from the lungs to other ...

It is well known that type 2 diabetes raises the risk of heart attack and stroke and that risk tends to increase over time. A new study from Karolinska Institutet suggests one possible reason may sit ...

While research has uncovered many details about how blood cells function within bone marrow, the work of other cells existing in that space remained a relative mystery. Now, researchers from the ...

Red blood is the exception, not the rule. Evolution has painted it green, purple and white in animals that push physiology ...