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| Testosterone is a steroid hormone from the androgen group. On average, an adult male's body produces about twenty times the amount of testosterone that an adult female's body does. For men around the age of 40, testosterone begins to drop. For women, it drops after age 50. This is accompanied by a decrease in libido and difficulty in erectile function. Source; History Testosterone comes primarily from the testes of males and the ovaries of females, with small amounts being secreted by the adrenal glands. At the time of writing, new delivery methods are being developed, including a "roll on" and a nasal spray. For women, testosterone in a smaller dose is usually added to the estrogen (Estratest) or in a combination with estrogen and progesterone by a compounding pharmacy. Function; Reasons For Use Testosterone's effects include anabolic effects such as growth of muscle mass and strength (testosterone is an anabolic steroid), increased bone density and strength, and stimulation of linear growth and bone maturation; and virilizing effects such as maturation of the sex organs, particularly the penis and the formation of the scrotum in fetuses, and after birth (usually at puberty) a deepening of the voice, growth of the beard and axillary hair. As with every hormone, testosterone has been tried for many conditions and purposes besides replacement, with variable success. Examples include infertility, lack of libido or erectile dysfunction, osteoporosis, penile enlargement, height growth, bone marrow stimulation and reversal of anemia, and even appetite stimulation. Not only does the testosterone cause improvement of hot flashes, but it increases general well being and libido, induces weight loss if obese and helps in preventing and treating osteoporosis. Some doctors have noted that since the advent of Viagra, men have stopped asking for repeat prescriptions of testosterone. This may indicate that their main concern was taking the hormone for increased sexual function. |
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