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Typically, testosterone levels in men are around 15 times higher than in women. In both women and men, it’s normal for testosterone levels to drop with age — starting at about age 30 in men ...
Administration of high-dose testosterone in men over a course of weeks can cause an increase in aggression and hypomanic symptoms, though these were seen in only a minority of subjects. [15] Acute high-dose anabolic-androgenic steroid administration in males attenuates endogenous sex hormone production and affects the thyroid hormone axis.
Research on women and testosterone has been limited, but as more is done, experts are seeing that the hormone affects the female sex drive, just as it does the male. It also plays an essential ...
Testosterone is an essential hormone for both men and women, playing an important role in muscle growth and cognitive function. Low levels of the hormone can lead to changes in mood, cognition and ...
However, a 2014 review showed no benefit on the mood of the men with normal levels of testosterone or on the mood of the older men with low testosterone. [150] Conversely, a 2009 review found that testosterone had an antidepressant effect in men with depression, especially those with hypogonadism, HIV/AIDS, and in the elderly. [151]
A 2014 review said there was some evidence men with certain comorbidities may be at risk of adverse effects including sleep apnoea, metabolic syndrome and cardiovascular disease. [29] Exogenous testosterone may also cause suppression of spermatogenesis, leading to, in some cases, infertility. [30]
Research shows that older men and women with low testosterone have lower red blood cell counts and an increased risk of developing anemia. Anemia can produce symptoms like fatigue, weakness, loss ...
Testosterone can be taken by a variety of different routes of administration. [2] [3] These include oral, buccal, sublingual, intranasal, transdermal (gels, creams, patches, solutions), vaginal (creams, gels, suppositories), rectal (suppositories), by intramuscular or subcutaneous injection (in oil solutions or aqueous suspensions), and as a subcutaneous implant.