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

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 ...

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 ...

Learn about the many tests and examinations your blood sample undergoes in a lab. Giving a blood sample during a doctor’s visit is a common procedure. Discover the dizzying array of automated tests ...

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 ...

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 ...

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 ...

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 ...

Midwife Sarah Joy Owen explains how the day 5 heel prick works, what conditions it screens for and what happens if further ...

A large review finds that a few drops of sucrose may help reduce pain in newborn babies during blood tests and other hospital procedures.