A negative correlation was observed between serum testosterone levels and neutralizing antibody seroconversion in adult, but not aged, males (Fig. 1i, p < 0.05, linear regression). Together, these data suggest that there may be a stimulatory effect of estrogen and suppressive effect of ...
In their article, the authors cited previous studies by other researchers who found high concentrations of BPA and other phthalates among couples seeking treatment for infertility. One study found that men with a high BPA level had decreased testosterone levels. Another found that men with a high ...
Changes in androgen receptor, estrogen receptor alpha, and sexual behavior with aging and testosterone in male rats Reproductive aging in males is characterized by a diminution in sexual behavior beginning in middle age. We investigated the relationships among testostero... W Di,AC Gore - 《Hormone...
We found that rates of female sexual behaviors were not correlated with female estrogen levels and did not significantly differ between the fertile and non-fertile phases of the cycle. In contrast, swelling size was significantly correlated with female estrogen levels and increased predictably towards ...
Some recent reports show a high rate of infertility also in men with 21-OHD. They are at risk of benign testicular tumors, adrenal rests, which can lead to permanent infertility. Also, raised adrenal androgen production leading to increased estrogen concentrations can suppress gonadotropin ...
There are many possible causes of anorgasmia, some of which overlap. In females, anorgasmia commonly occurs after menopause when estrogen levels drop. In males, anorgasmia is seen to be an extension ofdelayed ejaculation. Psychological distress, medications, and chronic health issues can contribut...
This result was associated with a decreased striatal dopamine D1 receptor density and lower plasma levels of 17beta-estradiol at the age of 14 months. As DARPP32(+) MSNs expressed both alpha- and beta-estrogen receptors and showed a correlation between cell numbers and 17beta-estradiol levels,...
The sudden drop in estrogen levels that characterizes the menopause contrasts with the gradual decline in sex hormones seen in aging men, and the proportion of individuals with hypogonadism is considerably lower among older men than among older women. Although estrogens play a crucial role in bone ...
A process of programmed cell death starts soon after that, which may also be important for whether you end up with a male or female brain. Perhaps certain cells generate aggressiveness and competitiveness, and they only stay alive when excess brain cells are being removed if there is testosteron...
high levels of estrogen and develop enlarged breasts, sparse facial and body hair, small testes, and the inability to produce sperm. Some studies have shown an increase in the risk of developingbreast cancer in menwith this condition. Their risk for development of breast cancer is markedly ...