Is the Galleri multi-cancer blood test worth it? A doctor explains real-world performance data and explains why no major medical society recommends the test for screening.

Because the risk of many conditions increases with age, doctors generally recommend more frequent lab testing as you get older. This is because many health risks increase with age, and early detection ...

Add Yahoo as a preferred source to see more of our stories on Google. Grail's Galleri test screens for more than 50 different types of cancer from a single blood draw. (Getty Images) (Getty Images) If ...

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 ...

You may need an MPV test if you show symptoms that suggest an issue with your platelet size or number. An MPV test involves drawing a blood sample from a vein and typically takes less than five ...

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 ...

Period blood test ‘could offer less invasive alternative’ to current cervical cancer screening approaches, a study has ...

A TB blood test can find out whether you have the Mycobacterium tuberculosis bacteria in your body. Whether you need to get tested and how often depends on your specific circumstances. A blood test ...