Private companies are capitalizing on this quest for information. Grail’s Galleri blood test screens for more than 50 ...

Their makers claim they can detect dozens of cancer types — but some scientists say they could be missing many cancers or ...

Multi-cancer blood tests promise early detection, but the evidence is thin, the risks real, and they’re no substitute for listening to your body.

People who are trying to conceive may wonder if a blood pregnancy test can be wrong. These tests, which are done at a health care provider's office or in a lab, are over 99% accurate. Blood tests ...

No matter your age, regular blood work can be an important tool for understanding and optimizing your overall health. Finding certain markers in your blood allows healthcare professionals to gain ...

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 ...

It’s important to follow guidance on prostate-specific antigen screening that maximizes benefits and minimizes potential harms such as overdiagnosis and overtreatment.

Colonoscopy is the gold standard for detecting colon cancer, but every year about 50 million people in the U.S. who qualify for a colonoscopy don't get it done, according to the American Cancer ...

Colorectal cancer is one of the cancers where, if found early, it has a 91% chance of survival for the patient. If you find ...

Your doctor just mentioned ordering a comprehensive metabolic panel, and you’re wondering what that means and why you need it. Don’t worry — this isn’t some scary, complicated procedure. It’s actually ...