Should we all be concerned about our cortisol levels? I took a blood stress test and spoke with experts to find out.

A vitamin B12 blood test is one way to know if you’re B12 deficient. Some people opt for a urine test instead. Learn when ...

CBS News senior White House and political correspondent Ed O'Keefe has a rundown on the roughly 200 executive orders ...

Scientists at the University of Exeter have found a new way of interpreting standard blood tests to help GPs spot cancer ...

Scientists at Rutgers Health have discovered that a simple blood test could diagnose asthma and determine its severity, a ...

An experimental blood test for pancreatic cancer that was developed by Van Andel Institute and University of Pittsburgh ...

Scientists at Rutgers Health have discovered that a simple blood test could diagnose asthma and determine its severity, a ...

You usually don't need to prepare for a magnesium blood test in any special way. This test is sometimes done with other blood tests that require fasting, so you may need to avoid eating and ...

BioReference Health LLC, formerly known as BioReference Laboratories Inc. (BioReference) and OPKO Health Inc. (OPKO), face a $704,349 government fine for medically unnecessary blood tests.

GRAND RAPIDS, Mich. (WOOD) — Researchers at a University of Michigan lab have developed a “first-of-its-kind” blood test to detect head and neck cancers caused by human papillomavirus.