This article was reviewed by Darragh O’Carroll, MD. Understanding Blood Tests: How They Work and What They Can Tell You Blood ...

Dr. Christopher Kelly: A biomarker is a biological substance that can be objectively measured and tracked to provide ...

It’s common for doctors to recommend getting bloodwork following a medical appointment or routine check-up. Blood tests can identify deficiencies in vitamins or minerals, immune system problems, or ...

Doctors can test for gallbladder issues using a combination of physical exams, blood tests, and imaging studies. Several issues can affect the gallbladder, including gallstones, inflammation, or ...

For accurate results, you may need to fast for certain tests. This requires you to avoid certain foods and drinks. Learn more ...

A newly approved blood test can help rule out some cases based on the amount of amyloid in the brain. A neurology professor ...

If you are concerned about your risk of developing cardiovascular disease, you’ll usually get a specific blood test to look at your cholesterol levels to see where things stand. At least, that’s how ...

Dementia can potentially be predicted up to 10 years before signs first appear, thanks to highly accurate blood tests, ...

TEXAS – A new wave of blood tests is changing how doctors detect cancer. These tests can find signs of cancer early, ...