The human blood system is in a constant state of turnover. First-line immune defenders, like neutrophils, need to be replaced after just four to eight hours, platelets can last a week, red blood cells ...

Scientists have long been puzzled by how maturing red blood cells manage to produce all the hemoglobin they need to carry ...

Tracking how blood cancers develop over time has uncovered important genetic differences between patients whose disease stays ...

Some blood cancers move with eerie patience. A patient can feel well for years, their blood counts looking steady, their ...

Every drop of blood in the human body traces back to a small reserve of stem cells buried inside bone marrow. These ...

Add Yahoo as a preferred source to see more of our stories on Google. Currently, to treat conditions such as leukaemia, damaged blood cells need to be replaced in a stem cell transplant. But ...