When I signed up to try a bunch of health and aging tests for The Post, I knew there would be blood. I just didn’t realize ...

NEWYou can now listen to Fox News articles! Several blood tests have been shown to accurately diagnose Alzheimer’s disease — as previously reported by Fox News Digital — but now a new test has emerged ...

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 ...

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 ...

For years, it has been one of the most tantalizing ideas in medicine: One day, a simple blood test will detect nascent cancers - allowing doctors to intervene when tumors may be easier to treat. A ...