Red blood cells (RBCs) play a central role in keeping your body energized and functioning. They carry oxygen from your lungs ...

A red blood cell count is used to measure the number of oxygen-carrying red blood cells in your body. When you have a high blood count or a low blood count, it's a sign that you may be sick.

Close linkage between a rare, deadly lung condition and blood cell abnormalities Date: February 28, 2011 ... (cells that are capable of forming white blood cells, red blood cells, ...

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.

Hereditary spherocytosis is a disorder in which the red blood cells are abnormal and fragile. Learn about the causes, symptoms, and treatment options for this disorder today.

A low red blood cell count (hemoglobin) is a key feature of anemia. With MDS, anemia occurs because the bone marrow does not work correctly. This can be due to several reasons, including the ...

The Red Cross has issued an urgent plea for Black Americans to donate blood because 1 in 3 are a donor match for people with sickle cell disease, according to the organization.

The number of people donating blood has dropped 40% over the last two decades, according to the Red Cross. Severe winter weather and illnesses could make an already bad situation even worse, it says.