Use of whole blood products to save egregiously injured U.S. military combatants became a practice during wars in Iraq and ...

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 ...

Stripe patterns are commonly seen in nature—for instance, birds and fish move in coordinated flocks and schools, fingerprints ...

When someone gives blood, the donation is usually separated into components to use for specific needs. But in some cases, a ...

Researchers at Tsinghua University have created a rapid, label-free method using polarized light detection to identify and ...

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 are complex — there's much more to blood types than A, B and O. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Many people know ...

Blood donation is often described as safe, but many people wonder what happens afterward. Doctors explain how the body ...

Vitamin B12 is typically well-tolerated, but in very rare cases, there are serious side effects to be aware of. Learn more ...

Lindsay Curtis is a health & medical writer in South Florida. She worked as a communications professional for health nonprofits and the University of Toronto’s Faculty of Medicine and Faculty of ...

Summit Fire & EMS and Red, White & Blue Fire emergency medical crews now carry “whole blood” to administer to trauma patients ...

White blood cells help your body fight inflammation and infections. A high or low white blood cell count may be associated with a number of short-term or long-term health conditions. White blood cells ...