A red blood cell count test gives the correct number of red blood cells in your body. Learn about how the test is done, why it is done, risks, and more.

A normal white blood cell count is 5,000 to 10,000 for people assigned male at birth and 4,500 to 11,000 for people assigned female at birth. Some health conditions can affect your WBC count.

Without heterochromatin working properly, hematopoietic stem cells never matured into normal blood cell lineages, including the lymphocytes, immune cells, and normal red or white blood cells.

Low White Blood Count: Learn more about low white blood cell counts, what's "normal," what low WBC could mean, and what you can do about it.

3d rendering red blood cells in vein. getty. Efforts to develop lab-grown blood cells for blood transfusions may soon materialize. Since 2021, the National Health Service (NHS) in the United ...

Sickle cells are stiff, inflexible red blood cells that can get stuck in blood vessels, leading to health complications. Learn how they differ from healthy red blood cells.

Normal white blood cell levels typically range from 4,500 and 11,000 per microliter of blood for most healthy adults who aren’t pregnant. Having white blood cell levels above this range can be a ...