Did you know that the prostate gland is the second most common site for cancer among men?  12% of among deaths in men are related to cancer of the prostate gland. However, it appears late mostly in men. The prevalence age is above 60 years old. Universal rule, the incidence appear more likely as a man ages. So when you hit 50 have an annual exam or if there is a familial history have it checked as early as 20. The prostate can be examined by digital rectal examination. But you may opt for a newer screening tool non-invasive like the transrectal ultrasound, or get a male prostate formula. A confirmatory tests for the diagnosis of cancer of the prostate is by prostatic biopsy.