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 ...

Could a simple blood test predict your risk of getting dementia years, or even decades, before you experience memory loss? That’s the potential promise of a new class of biomark ...

LetsGetChecked is an exclusively telehealth diagnostics brand that specializes in at-home lab testing. We’ve picked them as ...

In July, the US Food and Drug Administration (FDA) approved a new blood-based test to screen for colorectal cancer (CRC). The FDA's approval of Shield (Guardant Health) marks a notable achievement, as ...

Add Yahoo as a preferred source to see more of our stories on Google. "No cancer signal detected." The blood test results popped up in my online health portal without much fanfare. A doctor would chat ...

Blood tests are one of the most widely used and helpful tools in modern medicine. Whether ordered in a clinic or done through an at-home kit, they work by analyzing samples of your blood to uncover ...

This article was reviewed by Felix Gussone, MD. In this guide, we’ll break down what most biomarker lab tests measure, how to prepare for them, and what to do once you receive your results. Not ...

An MCV test measures the average size and volume of your red blood cells. Low MCV suggests microcytic anemia, with red blood cells smaller than normal. High MCV suggests macrocytic anemia, with red ...