Women have breasts. Men have prostate. Like the breasts in a women, this male gland produces and secretes fluid.

PSA, an enzyme in the form of a glycoprotein, is a such kind of fluid concentrated in prostatic tissue. Normally, serum PSA levels are very low and high PSA levels in the blood may indicate a prostate problem. Rise of PSA may be a sign of benign growth or swelling of the prostate, as well as of prostate cancer.

Prostate cancer is the most common non-skin cancer of American men, and the second leading cause of cancer death after lung cancer in the United States and many European countries.

The prostate gland’s main function is to produce seminal fluid, which provides nutrition for the sperm cells in semen. It is found only in males and it is located under the bladder, in front of the rectum and it surrounds the anterior part of the urethra.