Low Testosterone and Hypogonadism in Men

Testosterone levels decline with age in men. However, there are many endocrine problems that lead to low testosterone in men of all ages that should be corrected with treatments to increase natural production of testosterone by the testes or with testosterone therapy.  The diagnosis and particular cause of a low testosterone level should be thoroughly evaluated before treatment is started.

For more information:

http://www.hormone.org/Reproductive/hypogonadism.cfm