What Are the Causes of Low Testerone in Men?

Although testosterone levels naturally decline in men as they age, in some cases, these levels drop off much more dramatically than they should at a much earlier age than expected. There are many possible causes for this.

Biological

• The biological cause for lower testosterone levels in men is when the testes begin producing smaller amount of testosterone.

Conditions

• Some causes of testosterone decline are due to conditions that men were not born with, or from severe injuries to the head or testicles or exposure to radiation.

Disorders

• In some cases, babies are born with congenital disorders that cause testosterone decline, such as Klinefelter's syndrome. This disorder causes a male body to develop in a feminine way due to the presence of an extra X chromosome.

Lifestyle

• It is also possible to develop bad habits that reduce the body's production of testosterone, such as excessive smoking or drinking, a poor diet or a general lack of exercise.

Medications

• Certain medications, both prescription and non-prescription, have been known to carry side effects that may result in loss of testosterone.