Anemia is the most common blood disorder in the U.S. It occurs when your body doesn’t have enough healthy red blood cells.

the soft center where new blood cells grow. It causes your marrow to make too many red blood cells so your blood is too thick. You may be more likely to have clots, a stroke, or a heart attack.

Sickle Cell Disease is a genetic blood disorder that affects hemoglobin, causing red blood cells to become rigid and ...

Feb. 27, 2025 — 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.

the frequent-donor cells substantially outgrew the others, and were better able to produce red blood cells. This suggests that the DNMT3A mutations are beneficial and might suppress the growth of ...

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Anemia is when you have low levels of red blood cells. When this happens, your organs and tissues have a harder time getting oxygen. You may feel fatigue, weakness, and shortness of breath.

Polycythemia vera (PV) causes your bone marrow to make too many red blood cells. You need these cells to carry oxygen around your body, but too many of them can make your blood thicken and form clots.