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 ...

Drugmaker Novartis’ Super Bowl ad explained that prostate cancer screening starts with a simple blood test, aiming to dispel fear of an exam for a treatable cancer.

News that former President Joseph Biden has advanced prostate cancer has revived long-standing questions about the benefits versus the harms of a blood test that screens for the most commonly ...