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 ...

A Miami man credits a routine blood test with saving his life after early-stage colon cancer was found via colonoscopy, leading to successful surgery.

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 ...

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 ...

Firms like Function Health and Oura market regular blood tests to people wanting to take their health into their own hands.

Take a blood test now, even without symptoms, and learn if you could some day develop Alzheimer’s disease. Whether you should ...

WASHINGTON — New blood tests could help doctors diagnose Alzheimer’s disease faster and more accurately, researchers reported Sunday — but some appear to work far better than others. Subscribe to read ...

An AI-powered blood test that analyzes DNA fragments could detect silent liver disease long before symptoms begin.

A Miami man credits a routine blood test for saving his life. Ian Ferguson, 37, had no symptoms when he got standard blood work as part of a regular physical. When the test showed microscopic blood ...

WASHINGTON (AP) — New blood tests could help doctors diagnose Alzheimer’s disease faster and more accurately, researchers reported Sunday — but some appear to work far better than others. It’s tricky ...