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 ...

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 ...

What Does a Hematocrit Test Measure? A hematocrit test is a blood test that measures the level of red blood cells in your blood. Your blood is made up of plasma and blood cells. Plasma is the liquid ...

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 ...

A blood-based liquid biopsy test detects early-onset colorectal cancer with strong diagnostic performance and high ...

A decision by the U.S. Supreme Court could have far-reaching implications on how law enforcement catches drunken drivers. In the past, if a suspected drunken driving suspect refused to give a breath ...

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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 ...

Scientists have developed a blood test that may help predict serious risks in people with hypertrophic cardiomyopathy, ...