Dear Dr. Gott: My husband has been diagnosed with polycythemia vera. He produces too many red blood cells. Tell me what to expect. Our doctors don't tell us too much, except that he should be OK. Dear ...

Q: My friend says his uncle is being treated for a disease where he has too much blood and he gets "bloodletting’" every other day, like in the Middle Ages. Is there really such a thing, or is he ...

Q: A couple of my friends have anemia and I've learned a lot about it through them. But I was recently told that I have a condition called polycythemia, which means I have too much blood. The doctor ...

For patients with a rare type of blood cancer, treatment might finally be coming out of the Dark Ages. People with the chronic condition polycythemia vera make too many red blood cells, thickening ...

It’s driven by red blood cells and not the blood clots traditionally associated with this sort of damage. “We’ve discovered a completely new blood-clotting mechanism that has nothing to do with the ...

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, ...

A recent study delves into the science, but doctors say there’s more to it.