What these buzzy new tests can and can't tell you.

You could be missing out on some crucial information about your cardiovascular health that only this specific test can give ...

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. RDW is one part of ...

Blood draws for several kinds of diagnostic tests require you to fast for several hours. Eating or drinking anything besides water can skew the results, leading to you needing to be retested. You may ...

I reassured him and sent him to get another blood specimen drawn without a tourniquet. Why? Because I suspected that the tourniquet had been left in place so long that it caused the red blood cells, ...

An international trial involving 1,000 volunteers will aim to detect biomarkers associated with the condition.

This article is part of “Innovations In: Alzheimer's Disease” an editorially independent special report that was produced with financial support from Eisai. The first hints that Gregory Nelson might ...

Millions of people donate blood each year, saving countless lives. After a donation, plasma and white blood cells are ...