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.

The letters A, B and O represent various forms of the ABO gene, which program our blood cells differently to form the different blood groups. If you have type AB blood, for example, your body is ...

Our blood consists of many cell types that develop through different stages from a precursor type—the blood stem cell. An ...

What Is B-Cell Lymphoma? B-cell lymphoma is a cancer that forms in your white blood cells called lymphocytes. These cells are made by your lymphatic system, which plays an important role in immunity.

What Is a RDW Blood Test? An RDW blood test – also known as a red blood cell distribution width blood test – is a measure of the difference in your red blood cells’ size and volume.

Men who had given blood more than 100 times in their life were more likely to have blood cells carrying certain beneficial mutations, suggesting that donating blood promotes the growth of these cells ...

Additionally, the researchers found that while humans rely on a pool of 20,000 to 200,000 stem cells for blood production, mice have a surprisingly large number too—about 70,000 blood stem cells ...

O-, AB+, AB- blood types. Group A blood type has only A antigens on red blood cells and B antibody in the plasma. B has only B antigen on red cells and A antibody in the plasma. AB has both A and ...

Scientists have made an important discovery about the relationship between hematopoietic stem cells (HSCs) and immune response evasion. Their findings show how certain HSCs have regulatory functions ...

Our blood consists of many cell types that develop through different stages from a precursor type -- the blood stem cell. An international research team has now investigated the developmental pathways ...