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

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

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 ...

The Galleri test, by American company GRAIL, can detect over 50 types of cancerous DNA with a simple blood test. How the cancer screening test works.

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

New blood tests could help doctors diagnose Alzheimer's disease faster and more accurately, researchers reported Sunday – but ...

A text analyzing brain-related biomarkers in the blood shows promise for measuring the severity of concussions in teenagers, ...

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 ...

New diagnostic kits aim to revolutionize early screening of the disease, potentially allowing patients to receive ...

Blood sugar checks are essential for the diagnosis and treatment of every form of diabetes. “Glucose monitoring is critical for preventing short-term and long-term complications of diabetes,” says ...

Is Galleri the future of cancer treatment? It's not that simple. The new research from the company, while promising, isn't ...