Following your doctor’s instructions is the most important part of preparing for a blood test. Sleeping well, staying hydrated, and avoiding certain foods and drinks can also provide benefits. Blood ...

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 ...

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 ...

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.

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 ...

People may prefer to get screened for colorectal cancer with a blood test rather than a colonoscopy. But more than twice as many colorectal cancer deaths would occur with blood-based screening as with ...

The FDA recently cleared the Lumipulse blood test for early diagnosis of Alzheimer's disease in people 55 and over with memory loss. The noninvasive Lumipulse blood test measures the levels of two ...

Carter said the ultrasound had "reduced our anxiety with blood tests" and "the trauma and stress of multiple attempts to find ...