Red blood cells

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A doctor and dietitian weigh in on the controversial eating plan.

Erythrocytosis, also known as polycythemia, is a condition where you have too many red blood cells, making blood thicker and less able to travel through the body. Certain procedures and medications can help manage the condition.

Q. About the red cell distribution width (RDW), I don’t understand it!

Blood - Erythropoiesis, Hemoglobin, Oxygen: Red cells are produced continuously in the marrow of certain bones. As stated above, in adults the principal sites of red cell production, called erythropoiesis, are the marrow spaces of the vertebrae, ribs, breastbone, and pelvis. Within the bone marrow the red cell is derived from a primitive precursor, or erythroblast, a nucleated cell in which there is no hemoglobin. Proliferation occurs as a result of several successive cell divisions. During…

Read about a small study suggesting that MS can be detected through a number of distinct microRNA biomarkers in patients' blood; a larger study is underway.

Cute red blood cells

A new technique developed in Israel could soon treat a range of cancers, including rare forms of lymphoma.