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

The start-up Function will send practically anyone to a lab for extensive medical testing, no physical required. Is that a good thing?

Getting an endometriosis diagnosis is often costly, time-consuming and invasive. Now, it could be as easy as a simple blood ...

Blood tests are one of the most widely used and helpful tools in modern medicine. Whether ordered in a clinic or done through an at-home kit, they work by analyzing samples of your blood to uncover ...

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 ...

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

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 ...

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

I reassured him and sent him to get another blood specimen drawn without a tourniquet. Why? Because I suspected that the ...

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 ...