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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.
Estrogen is the predominant sex hormone that slows bone loss (even in men). Both estrogen and testosterone help stimulate bone formation (T, especially at puberty). Testosterone may cause an increase in cortical bone thickness in transgender men (however this does not necessarily translate to a greater mechanical stability).
Men with aromatase deficiency and estrogen insensitivity syndrome, and hence estrogen deficiency, appear to have normal sexual desire, function, and activity. [22] [21] However, estradiol supplementation in some men with aromatase deficiency increased sexual desire and activity but not in other men with aromatase deficiency.
Mood swings during perimenopause are unsurprising when you consider that research shows that estrogen receptors are found in areas of the brain tasked with mood regulation. 7. Low sex drive
The tolerability profile of HDE is worse in men compared to women. Side effects of HDE specific to men may include gynecomastia (breast development), feminization and demasculinization in general (e.g., reduced body hair, decreased muscle mass and strength, feminine changes in fat mass and distribution, and reduced penile and testicular size ...
Other side effects of estrogens include an increased risk of blood clots, cardiovascular disease, and, when combined with most progestogens, breast cancer. [1] In men, estrogens can cause breast development, feminization, infertility, low testosterone levels, and sexual dysfunction among others.
What’s more, men with low levels of testosterone at baseline saw an increase in testosterone when taking 5-alpha-reductase inhibitors, but men with high levels of testosterone at baseline didn ...
Gynecomastia in older men is estimated to be present in 24–65 percent of men between the ages of 50 and 80. Estimates on asymptomatic gynecomastia is about up to 70% in men aged 50 to 69 years. [26] [50] The prevalence of gynecomastia in men may have increased in recent years, but the epidemiology of the disorder is not fully understood. [40]