Chemical Feminization

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More than 100, 000 substances occur in wastewater effluent, including an array of endocrine disruptors such as human and veterinary pharmaceuticals, natural and synthetic hormones, detergents, and industrial chemicals. Studies have linked estrogenic wastewater pollution with feminization of males in downstream fish populations. However, findings from rodent models of testicular dysgenesis syndrome, a spectrum of environmentally linked male reproductive disorders in humans, indicate that both estrogens and antiandrogens may be contributing to health effects in tandem. A new study that models exposure to both estrogenic and antiandrogenic compounds in wild fish now suggests that combinations of these compounds, rather than estrogenic compounds alone, may be responsible for the endocrine disruption observed in these animals as well [EHP 117:797–802; Jobling et al.].

To help elucidate the complex relationships and interactions among the various types of endocrine disruptors (estrogenic, anti-estrogenic, androgenic, and antiandrogenic), the authors created statistical models based on 1) the chemicals’ known hormonal activities in recombinant yeast screen assays and 2) concentrations measured during an earlier national survey in effluent from U.K. wastewater treatment plants. The models also included hydrologic data to enable estimation of river-water chemical concentrations at specific sites and national survey data on the location and prevalence of feminized male fish. The statistical models first accounted for estrogenic effects observed in fish, then included effects associated with antiandrogens and other compounds.

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chemicals feminizing males? | Yahoo Answers

The statistically significant increase in female breast size post puberty has been attributed to hormones fed to cows which leech into the drinking water. However I'd like to see some solid evidence on that. As for governments????? They think on the short term only.

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