But which numbers actually matter? Routine blood tests remain among the most important ways to track overall health, yet most people never learn what values physicians prioritize. Understanding key ...

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

Your doctor just mentioned ordering a comprehensive metabolic panel, and you’re wondering what that means and why you need it. Don’t worry — this isn’t some scary, complicated procedure. It’s actually ...

As more consumers order up lab tests and genetic screenings, experts say it could impact insurance, loans, and employment decisions.

If you’ve ever wondered why your doctor asks you to do a blood test or provide a urine sample at your annual checkup even if you’re feeling perfectly fine, ...

A complete blood count (CBC) is a common test to diagnose anemia by measuring red blood cell count, hemoglobin, and hematocrit levels. Iron deficiency is a common cause of anemia, and doctors may ...

Researchers found that blood samples collected at home and mailed in can reliably track early Alzheimer’s-related brain ...

A potential blood test can distinguish ME/chronic fatigue syndrome with great accuracy, after years of medical uncertainty.

Dr. Omar Al-Heeti is an assistant professor of medicine at Southern Illinois University and practices internal medicine with a specialty in infectious diseases. He received his medical degree from the ...

New UC San Diego Health research shows a simple blood test could help doctors catch serious heart problems early.