Testosterone cannot be taken if you have prostate cancer. If one does have prostate cancer, testosterone may cause quicken development of this tumor. So, there is a need to explore the prostatic specific antigen: an enzyme secreted by the prostate gland, increased levels of which are found in the blood of patients with cancer of the prostate (PSA) on a regular basis to be sure that one does not develop prostate cancer. It's the easiest way detected by an annual PSA test.

So, testosterone has a number of effects on the central nervous system, muscles, bones, bone marrow, sexual function, the prostate. Especially testosterone, regulate the normal development of male sex organs and promote other male characteristics, such as muscle mass, a deep voice, body hair. The most popular type of treatment for testosterone is known as testosterone replacement therapy.