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, ...

Nearly a dozen people had their heads shaved at the Nov. 25 event, raising $4,466 for St. Baldrick’s Foundation Bone Marrow Drive ... rescuing a cat from a tree. Buehler had shaved his head ...

For many years, scientists assumed that blood production took place in the bone marrow. But now, researchers at UCSF are showing it’s also happening in the lungs. They found hematopoietic stem ...