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 ...

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 ...

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 test that accurately detects colon cancer in middle-aged and older people and also rules it out when it is not present can help to increase the rate of screening for the disease in the U.S.