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As a result of greater vasoconstriction, while the surface of female skin is colder than male skin, the deep-skin temperature in females is higher than in males. [42] Males have less subcutaneous fat in their faces due to the effects of testosterone. [43] [better source needed] Males generally have darker skin than females.
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 ...
The average life expectancy for women is 80.2 years, per the CDC, which means women spend about a third of their life in this post-menopausal phase. So, while women live longer, on average, than ...
Levels of estradiol in premenopausal women are highly variable throughout the menstrual cycle and reference ranges widely vary from source to source. [62] Estradiol levels are minimal and according to most laboratories range from 20 to 80 pg/mL during the early to mid follicular phase (or the first week of the menstrual cycle, also known as ...
Ethinylestradiol is a semi-synthetic estrogen. Specific compounds that have partial agonist activity for steroid receptors , and therefore act in part like natural steroid hormones, are in use in medical conditions that require treatment with steroid in one cell type, but where systemic effects of the particular steroid in the entire organism ...
It was found that the group of men slightly outperformed the women in both the verbal-numerical reasoning and reaction time tests. Subsequently, the researchers tested to what extent the differences in performance was mediated by the varying attributes of the male and female brain (e.g. surface area) using two mixed sample groups.
One study observed the relationship between sexual motivation in lesbian and bisexual women and period-related changes in circulating estrogen concentrations. [18] Lesbian women who were at the estrogen peak of their fertile cycle reported increased sexual motivation for sexual contact with women, whereas bisexual women reported only a slight ...
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]