The name testosterone originates from Greek words that mean “man-maker.” The name is apt because this powerful hormone is responsible for the qualities that characterize manhood such as deep voice, large muscles, as well as body and facial hair patterns. Moreover, testosterone helps the body to produce red blood cells, stimulates genital growth during puberty, and promotes sperm production throughout a man’s life. Here’s some more information on this topic.

Testosterone and Aging

With age, some things change in men. Muscle mass decreases, body calcium decreases, and the red blood cell count declines. Besides, men typically become less sexually active and less energetic. These changes occur in tandem with falling testosterone levels. The total testosterone levels fall about 1% annually, starting from when a man is around 40 years-old. Conversely, the levels of bioavailable testosterone decline by about 2 percent annually. The effects of declining testosterone levels can make hormone replacement therapy for men seem like an appealing proposition. You should, however, note that for most men, testosterone levels remain within a normal range despite the slow decline.

Testosterone Replacement Therapy is Useful in Some Cases

For men whose testosterone levels are unnaturally low, hormone therapy can be useful. For instance, some health conditions like hypogonadism can lead to testosterone levels falling to unnatural levels. Hypogonadism is testicular dysfunction that limits the body from generating an adequate amount of testosterone.

Signs of Low Testosterone Levels

Low testosterone levels affect the body, mind, and sexual function in the following ways:


• Increasing body fat
• Declining bone and muscle mass
• Fatigue
• Hot flashes or flushing
• Tender or swollen breast


• Difficulty concentrating
• Depression
• Reduced self-confidence
• Disturbed sleep

Sexual Function

• Difficulty sustaining erections
• Fewer spontaneous erections
• Lower sex drive

Hormone replacement therapy for men and Metabolic Syndrome, a study that assessed the effects of testosterone replacement therapy revealed a consistent improvement in metabolic syndrome parameters. The men who participated in the study had low testosterone levels and metabolic syndrome. The additional testosterone reduced LDL (bad) cholesterol, body mass index, and triglycerides, as well as improved HDL (good) cholesterol.

Types of Testosterone Replacement Therapy

There are several variants of testosterone replacement therapy which include:

• Topical testosterone gel — Applied daily to arms, abdomen, or shoulders.
• Testosterone patches – Applied daily to abdomen, buttocks, arms, or back. You should alternate the exchange sites.
• Intramuscular testosterone injections – You’ll receive an injection once or twice a month.


For men with unnaturally low testosterone levels, hormone therapy can be an effective treatment.

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