Your doctor will usually check your red blood cell count together with your other blood cell counts to look for conditions that cause low counts (anemia) or high counts. Many health conditions can ...

Sickle cell tests have become routine in newborn screenings, but older children and adults may need to be tested as well. Read on to see if you or a loved one might benefit from being tested for ...

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 ...