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

Because the risk of many conditions increases with age, doctors generally recommend more frequent lab testing as you get ...

While no one loves to get their blood drawn, these tests can reveal much about our health, providing information on ...

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

This article was reviewed by Darragh O’Carroll, MD. 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 ...

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 ...

Colonoscopies are considered the gold standard for detecting colorectal cancer. But some dread the idea of the invasive procedure and the prep required the day before you have it. The FDA last year ...

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 ...

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

A TB blood test can find out whether you have the Mycobacterium tuberculosis bacteria in your body. Whether you need to get tested and how often depends on your specific circumstances. A blood test ...

Grail's Galleri test screens for more than 50 different types of cancer from a single blood draw. (Getty Images) If you could take a simple blood test that could detect multiple types of cancer while ...