Hemolytic anemia occurs when red blood cells are destroyed faster than they can be replaced. The loss of red blood cells means that fewer are available to carry oxygen and nutrients to tissues or ...

What is the immune system? The immune system works to keep germs and other foreign substances out of the body and destroy any that get in. It's made up of a complicated network of cells and organs. It ...

Leukemia is a cancer of the blood cells. There are several broad categories of blood cells, including red blood cells (RBCs), white blood cells (WBCs), and platelets. Generally, leukemia refers to ...

The rarest blood type is Rhnull. Unlike other blood types, people with Rhnull blood have no Rh antigens on their red blood cells. Healthcare professionals classify blood type according to the ...

An upcoming total lunar eclipse is about to change the moon’s color for the first time in almost two years. During the nighttime hours between March 13 and 14, North and South America should see ...

Laboratory evaluation of the anemic patient involves more than consideration of hematocrit and hemoglobin concentrations. As hematologic parameters continue to change and evolve over the first few ...

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. This disease gets worse slowly, usually over ...

Copyright 2025 The Associated Press. All Rights Reserved. Eric Timpson gives blood at the American Red Cross Donation Center, March 23, 2020, in Murray, Utah. (AP ...

Aaron Broverman is the lead editor of Forbes Advisor Canada. He has over a decade of experience writing in the personal finance space for outlets such as Creditcards.com, creditcardGenius.ca ...

Antigens live on the surface of your red blood cells. Antibodies are in your plasma. Your blood type is based on the combination of antigens and antibodies in your blood. Whether you are donating ...

Leukopenia is when you have an abnormally low number of white blood cells (leukocytes). A low white blood cell count may or may not cause symptoms, but can result in serious health complications since ...