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When comparing men and women in the 30-, 50-, and 70-year age groups, young and middle aged men showed increased testosterone after exercise, with the latter also having increased cortisol. Elderly men showed no change. [25] Other studies have also shown with age there is a downtrend of testosterone [26] and attenuated growth hormone response. [27]
Declining testosterone levels and an increase in the level of subcutaneous fatty tissue seen as part of the normal aging process can lead to gynecomastia in older males. Increased fatty tissue, a major site of aromatase activity, leads to increased conversion of androgenic hormones such as testosterone to estrogens. [ 26 ]
In the case of women, mean circulating DHT levels have been found to be about 9 ng/dL (0.3 nmol/L) in premenopausal women and 3 ng/dL (0.1 nmol/L) in postmenopausal women. [5] There was no variation in DHT levels across the menstrual cycle in premenopausal women, which is in contrast to testosterone (which shows a peak at mid-cycle). [5]
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 .
Aromatase excess syndrome (AES or AEXS) is a rarely diagnosed genetic and endocrine syndrome which is characterized by an overexpression of aromatase, the enzyme responsible for the biosynthesis of the estrogen sex hormones from the androgens, in turn resulting in excessive levels of circulating estrogens and, accordingly, symptoms of hyperestrogenism.
Enter: DHT blockers — hair loss treatments that either cut down the levels of DHT in your body or inhibit the effects of DHT at the scalp level. Not all DHT blockers are created equally though.
Androgens increase in both males and females during puberty. [3] The major androgen in males is testosterone. [4] Dihydrotestosterone (DHT) and androstenedione are of equal importance in male development. [4] DHT in utero causes differentiation of the penis, scrotum and prostate.
Injection of testosterone for an extended time, as seen in transgender men and nonbinary people. Female bodybuilders who utilize testosterone may also experience clitoral growth. Use of a clitoral pump, like the penis pump, may be used prior to or during masturbation or other sexual activity for temporary effect.