FRANKFURT. Every second, an adult generates around five million new blood cells to replace aging or dying ones, making the blood system a highly regenerative organ. These new blood cells are formed in ...

In a groundbreaking proof-of-concept study, researchers at Cincinnati Children's report success at restoring healthy function to blood-making stem cells that have worn out with advancing age or became ...

Every second, millions of blood cells are produced in the human body, and about 90% of the cells replaced daily are blood cells. These include red blood cells essential for oxygen transport, platelets ...

University of Cambridge scientists have used human stem cells to create three-dimensional embryo-like structures that replicate certain aspects of very early human development - including the ...

The team observed the emergence of the three-dimensional embryo-like structures under a microscope in the lab. These started producing blood (seen here in red) after around two weeks of development - ...

The blood-brain and blood-retinal barriers are protective systems that prevent harmful substances from entering the brain and ...