Dear Doctors: I heard there will be a saliva test to see who has a high risk of getting prostate cancer. I don’t see how saliva would have anything to do with your prostate gland. How does the test work, and how can I get access to it?
Dear Reader: A test that analyzes bodily fluids is known as a liquid biopsy. The most common are the blood and urine tests many of us are familiar with. Recently, th…