Posted by Chantel Martiromo. research contributed by PubMed
According to the study by the University of Surrey, posted in PubMed,women are exposed to xenobiotic estrogens at least to the same extent as
men. These estrogenic chemicals are either from plant material in the
diet (phytoestrogens)
or from industrial sources. Mainly industrially derived environmental
estrogens may accumulate within the food chain and persist in human
adipose tissue. In contrast, phytoestrogens do not bioaccumulate and are rapidly excreted in urine. The phytoestrogens probably represent the source of most extensive exposure for humans. Epidemiological evidence suggests that diets rich in phytoestrogens are associated with reduced incidences of cardiovascular disease, breast cancer, prostate cancer and osteoporosis. The numerous bioactivities (other than just estrogenicity) of phytoestrogens
and related dietary compounds make it difficult to single out the
mechanisms mediating such protective effects. The possibility that the
newly discovered estrogen receptor beta may be an important modulator of
phytoestrogen action is opening up new lines of research. While the evidence suggests that phytoestrogens
may be of positive relevance to postmenopausal women, indications that
exposure of women to industrially derived xenobiotic estrogens provides
risks to health remain unproven
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