White blood cells help your body fight inflammation and infections. A high or low white blood cell count may be associated with a number of short-term or long-term health conditions. White blood cells ...

Red blood cells transport oxygen throughout your body, including to vital organs and tissues. They also help your body get rid of carbon dioxide. Too little or too many red blood cells may be ...

You can find out what your blood type is through blood or saliva tests, or by donating blood or checking your medical records ...

Red blood cells are complex — there's much more to blood types than A, B and O. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Many people know ...

Every second, millions of blood cells are produced in the human body, and about 90% of the cells replaced daily are blood ...

The term “rare blood disorders” describes less common conditions that affect blood cells’ ability to function correctly. Myeloproliferative disorders and lymphoproliferative disorders are two types of ...

Unless you donate blood often, you probably don't know your blood type. Blood types are distinguished by the types of proteins, called antigens, found on your red blood cells. A person with an A blood ...