CHICAGO (Reuters) - Older patients whose red blood cell counts are even slightly out of the normal range are at higher risk of death and heart problems after major surgery, U.S. researchers said on ...

This article was reviewed by Felix Gussone, MD. Blood test results can be overwhelming to digest, complete with medical jargon and numerical values that may not mean much without an accompanying ...

Normal blood counts fall within the range that has been established by testing healthy men and women of all ages. The cell counts are compared to those of healthy individuals of similar age and sex.