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 ...

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

A new light-based sensor can spot incredibly tiny amounts of cancer biomarkers in blood, raising the possibility of earlier and simpler cancer detection. The technology merges DNA nanotechnology, ...

The Food and Drug Administration (FDA) announced Friday it had cleared a new test to help diagnose adults with Alzheimer’s disease, the first diagnostic tool that uses a blood draw to check for the ...

Researchers at Tezpur University in India have identified a panel of circulating microRNAs in blood serum that may help distinguish gallbladder cancer from benign conditions, offering a potential ...

The American Cancer Society recommends that people at average risk of colorectal cancer start regular screening at age 45, and several blood tests on the market could help. These tests are done in a ...

For decades, Parkinson’s disease has been diagnosed only after tremors, stiffness and slowed movement are already disrupting ...

A blood test is a medical procedure where a sample of a person's blood is taken (called a blood draw) and sent to a lab for analysis. Knowing the results of blood tests helps a physician better ...