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

Their makers claim they can detect dozens of cancer types — but some scientists say they could be missing many cancers or ...

A D-dimer test is a lab test that helps diagnose blood clotting conditions. The test measures the levels of a protein fragment that remains in your blood after multiple blood clots break down. A high ...

A blood osmolality test measures the blood for the concentration of certain dissolved particles. This test can show whether a person has an irregular balance of fluids in their body. Osmolality tests ...

With the approval of anti-amyloid monoclonal antibodies to treat early-stage Alzheimer’s disease (AD), the need for accurate and early diagnosis is crucial. Blood-based biomarkers offer a promising ...

Pituitary tumors are atypical growths that develop in the pituitary gland. They are typically noncancerous. Doctors often use blood tests as a first step in diagnosing pituitary tumors. The pituitary ...