What Is an MCV Blood Test? MCV stands for mean corpuscular volume. An MCV blood test measures the average size of red blood cells, which have the critical job of carrying oxygen to your organs. If ...

Heart disease often develops silently over many years, and waiting for symptoms to appear can be dangerous. While many people focus solely on cholesterol numbers, experts say it’s important to go ...

Galleri is a blood test that aims to detect over 50 types of cancer early. It analyzes cell-free DNA (cfDNA) and methylation patterns to identify potential cancer signals. The test is intended for ...

DEAR DR. ROACH: What is your opinion on the new Galleri blood test that can help detect cancers for which there are no early screening? Like many people my age (66), I’ve known too many people who ...

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 ...

It's a common condition involving hypertension with serious consequences when left untreated. A Dallas Ob-gyn explains why she thinks the test is a game-changer.

For years, it has been one of the most tantalizing ideas in medicine: One day, a simple blood test will detect nascent cancers - allowing doctors to intervene when tumors may be easier to treat. A ...

A company is looking at blood as a possible diagnosis tool for mental illness. Blood tests can check for infections and high cholesterol, but currently, they can’t test for mental illness or pain. A ...