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 ...

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 ...

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 ...

But whether patients should be getting the tests—as some already are—is not yet clear. New blood tests can detect cancer recurrence earlier than traditional scans, potentially giving doctors and ...

Cheap blood tests that could spot Alzheimer’s early are set to be given to more than a thousand adults in an effort to ...

Historically, I haven't been great about managing my stress and anxiety, so whenever I come across a video or article about cortisol imbalances, my interest is piqued. Since cortisol is also called ...