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 ...

Early diagnosis of lung cancer may improve the prognosis, but many people aren’t aware they have it until it spreads. Screening tests may help detect the disease. Blood tests are not yet available to ...

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.