Our blood consists of many cell types that develop through different stages from a precursor type -- the blood stem cell. An international research team has now investigated the developmental pathways ...

Researchers from UC San Francisco have discovered blood stem cells in the lungs, disrupting a decades-old belief that new blood cells were only made in the bone marrow. Conventionally it was thought ...

Blood usually falls into a few widely recognized categories or types, based on the proteins that are expressed on the surface of red blood cells. For example, A or B antigens may be present there, ...

Add Yahoo as a preferred source to see more of our stories on Google. Close-Up Of Donated Blood In Bag Your blood type affects everything, from a predisposition to certain diseases to your heart ...

Blood tests are helpful for monitoring your overall health. But research suggests they can also give us clues about the ...

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 ...

Running extreme distances may strain more than just muscles and joints. New research suggests ultramarathons can alter red ...

Pushing the body towards ultra-marathon distances can cause red blood cells to be less flexible, potentially impacting their ability to deliver oxygen and remove waste throughout the body, a new study ...

Extreme endurance running damages red blood cells in ways that may affect their ability to function properly, according to a ...