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 ...

A pregnant woman's blood sample taken in 1972 was mysteriously missing a surface molecule found on all other known red blood ...

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, ...

Blood stem cells develop through different stages to become fully mature red blood cells. This fundamental biologic process is defined by a series of complex metabolic processes, which are often ...

Red blood cells, long thought to be passive bystanders in the formation of blood clots, actually play an active role in helping clots contract, according to a new study from researchers at the ...