Private companies are capitalizing on this quest for information. Grail’s Galleri blood test screens for more than 50 different types of cancer from a single blood draw, while full-body MRI scans, ...

A new kind of blood test promises to find cancer early—sometimes even before symptoms appear. The pitch is compelling: a ...

Recent research suggests that blood tests may show markers of oral cancer. But a blood test isn’t enough to confirm an oral cancer diagnosis. A biopsy is the only way to confirm it. Blood tests for ...

Scientists have developed a highly accurate blood test that can detect brain tumours, including aggressive glioblastomas, with over 90% precision. By identifying specific proteins in the blood, the ...

Depending on which hospital you go to for your low-risk surgical procedure, you may be 2.4 times more or less likely to be sent for unnecessary blood tests. This is among the findings of a study ...

Blood tests cannot detect throat cancer. However, they can help indicate a person’s overall health. Doctors may use them to determine whether a person is a suitable candidate for certain types of ...

Researchers say a simple blood test could help flag which older women face a higher risk of dementia long before any symptoms ...

Mark Gurarie is a writer covering health topics, technology, music, books, and culture. He also teaches health science and research writing at George Washington University's School of Medical and ...

Doctors can test for gallbladder issues using a combination of physical exams, blood tests, and imaging studies. Several issues can affect the gallbladder, including gallstones, inflammation, or ...

A blood osmolality test measures the blood for the concentration of certain dissolved particles. This test can show whether a person has an irregular balance of fluids in their body. Osmolality tests ...