Prostate cancer is a serious condition that can affect almost any man usually over the age of 45, but most commonly over the age of 60. It is the most common cancer men experience other than skin cancer, and it is the third leading cause of cancer deaths in North American Men. The prostate is composed of several different types of cells, but the cells that usually become cancerous are the gland cells. A cancer in gland cells is called an adenocarcinoma. Once these cells become cancerous, the disease can spread to the other cells and throughout the body. The cancer can grow at different rates, and doctors still do not know which cancers will grow quickly and which will grow slowly. The cancer becomes life threatening when it spreads beyond the prostate either locally or distantly to other areas of the body (Metastases). more... See more text