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.

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 many cases, it's not until memory problems start creeping up that most people learn they have Alzheimer's disease. By then, the disease may already be progressing, leaving limited options for ...

Earlier this year the Food and Drug Administration approved a new human papillomavirus test that allows for self-collection of samples in a health care setting, thereby removing what many say is an ...

The anion gap blood test measures the acid-base and electrolyte balance in the blood. Results can show whether there is an imbalance in a person’s pH levels, which may be making the blood too acidic ...

An estimated 5.8 million people in the U.S. have Alzheimer’s disease and related dementias, but the condition can be tricky to diagnose. Patients usually are put through a series of tests, and it can ...

The glucose tolerance test screens for gestational diabetes during pregnancy. Typically, your doctor or medical professional will ask you to have a glucose screening test first. Depending on the ...