Testosterone

Testosterone, also known as testosterone, testosterone, testosterone or testosterone, testosterone, testosterone, etc., is a steroid hormone that is secreted by the testicles of men or the ovaries of women, and the adrenal glands also secrete small amounts of testosterone. Testosterone is the main male and female hormone and protein anabolic steroid. Chemicalbook, whether male or female, has important effects on health, including sexual desire, strength, immune function, and the effect of fighting osteoporosis. According to statistics, the amount of testosterone secreted by adult men is about 20 times that of adult women, and the body content is 7 to 8 times that of adult women.

Testosterone was first extracted from a male cow in 1935, and over the years, many different kinds of medicine have been developed. Currently in North America, testosterone is available in injectable forms (e.g., testosterone cyclopentopropionate and testosterone enanthate), oral, buccal, and skin penetrant packages, creams, and gels. The original use of testosterone was to treat hypogonadism, a condition in which there is insufficient autosecretion or no natural production of testosterone. The proper use of testosterone under hormone replacement therapy (HRT) can maintain the amount of testosterone in the blood at normal levels. Like other hormones, testosterone and other chemicalizing hormones can be used in addition to supplementation for deficiency, but with greater side effects. Such as infertility, loss of sexual desire (sexual cold) or impotence, osteoporosis and so on. In the late 1940s, testosterone was marketed as an anti-aging drug, much like growth hormone in modern times. Taking advantage of the masculinization of testosterone, transgender men (that is, women who become men through sex change) are replaced with testosterone in order to maintain the testosterone levels of normal men. Similarly, transgender women use drugs to suppress testosterone production in order for estrogen to work.

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使用语言：英语。