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 ...

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 ...

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 ...

There are indications that a simple finger-prick blood test could, in the future, detect Alzheimer's disease long before the ...

Researchers found that blood samples collected at home and mailed in can reliably track early Alzheimer’s-related brain ...

For years, the idea seemed as far-fetched as a fairy tale. Once upon a time, there was a tumor cell that died. Its innards spilled out into the bloodstream of the body where it had lived. The owner of ...

New UC San Diego Health research shows a simple blood test could help doctors catch serious heart problems early.