A personalized blood test known as a circulating tumor DNA (ctDNA) test—which detects tiny fragments of cancer DNA ...

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 pioneering trial has begun to assess whether a simple finger-prick blood test could offer an early diagnosis for ...

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

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

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 ...

The finger-prick blood test employs a plasma separation card, designed to cut costs and simplify testing procedures.

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 ...

There were breakthroughs in Alzheimer's disease and sleep apnea.

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