Your doctor says everything looks fine, but you still feel terrible. The problem might not be your health but how labs define “normal.” Understanding the difference between normal and optimal could ...

This article was reviewed by Felix Gussone, MD. In this guide, we’ll break down what most biomarker lab tests measure, how to prepare for them, and what to do once you receive your results. Not ...

Dr. Cedrek McFadden, a board-certified colorectal and general surgeon with over 20 years of clinical experience at Prisma ...

Routine blood tests cannot fully guarantee heart safety as hidden arterial plaques may rupture causing heart attacks.

In medicine, a person’s blood-test results are compared with the average range in a population. But results are highly individual and tightly regulated around a person’s own stable values. Changes to ...

If you’ve ever had a doctor order a blood test for you, chances are that they ran a complete blood count, or CBC. One of the most common blood tests in the world, CBC tests are run billions of times ...

Share on Pinterest Could lab-grown blood fill an important gap in blood availability? Image credit: Frank Molter/picture alliance via Getty Images. Blood plays a vital role in the health of the body, ...