In their quest for safe, mass-producible artificial blood, geneticists have long struggled. Our limited knowledge of genetic ...

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 ...

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, ...

Until the 1940s, blood transfusions often went wrong because some of the main blood-group systems, such as the Rhesus factor, had yet to be discovered. This hit or miss approach to matching donors ...

For the first time ever, scientists have given patients red blood cells that were grown in a lab. This feat is part of a clinical trial in England looking into the safety of the cutting-edge technique ...