Medically reviewed by Robert Burakoff, MD Key Takeaways A cortisol test measures the level of cortisol in your body to help ...

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 ...

Learn about the many tests and examinations your blood sample undergoes in a lab. Giving a blood sample during a doctor’s visit is a common procedure. Discover the dizzying array of automated tests ...

Shortly after securing an FDA clearance last month for its simple, self-operated blood sample collection device, Tasso has teamed up with Catapult Health to help propel its device into people’s homes.

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 ...

Period blood has long been thought of as ‘stinky and useless’, but startups are exploring using the fluid to test for a wide range of health conditions – including difficult-to-diagnose endometriosis ...