What Is Prostate-Specific Antigen? Your prostate is a gland that makes seminal fluid, which nourishes and transports your sperm when you ejaculate. It's about the size of a walnut and surrounds your ...

Though most cases of prostate cancer have a good prognosis, the disease is the second leading cause of cancer deaths in American men, according to the American Cancer Society. As with other cancers, ...

Credit: Getty Images Recent study raises questions about the use of MRI as a first-line screening test. A ‘non-negligible’ number of men with PSA levels of 1.8 or higher but less than 3.0 ng/mL harbor ...

Prostate specific antigen or PSA is one of the markers of prostate cancer. PSA is normally produced by the prostate gland and mixes with sperm to form semen. PSA helps make semen fluid, allowing sperm ...