Prostate-specific antigen (PSA) is a protein produced by both normal and cancerous cells in the prostate gland. It is primarily measured through a blood test, where normal levels are typically found ...

PSA stands for prostate-specific antigen, a substance naturally produced in prostate tissue. A small amount of PSA regularly sneaks into the bloodstream, and low blood concentration is considered ...

Routine PSA testing is not recommend by the USPSTF for men 70 and older, a group expected to derive little benefit. Similar to trends in the U.S., this U.K. study found that a high number of older men ...

Dear Dr. Roach: I am a 68-year old male in good health who exercises regularly, doesn’t take any medications, and doesn’t have a family history of prostate cancer. During my most recent yearly ...