Prostate cancer is cancer that starts in the prostate gland. The prostate is a small, walnut-sized structure that makes up part of a man's reproductive system. It wraps around the urethra, the tube that carries urine out of the body.
Prostate cancer occurs when an abnormal, malignant growth of cells or tumor forms in the prostate. It usually occurs in men over the age of...
Learn about the causes of prostate cancer and what factors can increase your risk.