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Study: Soy Doesn’t Prevent Hot Flashes

Wednesday, 07 November 2012 12:42 PM

Soy products, like tofu and milk derived from the bean, won’t prevent the onset of hot flashes and night sweats for women entering menopause, new research has found.
The findings, reported by investigators from the University of California-Davis, are based on a study of more than 1,600 women who were tracked for more than 10 years.
"Given that most women experience unpleasant symptoms, particularly hot flashes and night sweats, during menopause, we were hopeful that certain dietary intakes would provide good alternatives to hormone therapy," said Ellen Gold, who helped conduct the study, published online in Menopause: The Journal of The North American Menopause Society. "Unfortunately, based on our study, soy-related foods did not turn out to be the 'magic bullet.’ ”
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For the study, Gold and her colleagues analyzed data from the Study of Women's Health Across the Nation (SWAN), a long-running study that has been following more than 3,000 premenopausal and early perimenopausal women with annual visits for a decade. Researchers asked women about their dietary habits and the frequency of various menopausal symptoms, including hot flashes and night sweats.
Gold’s study focused on 1,651 of the women who had not yet had hot flashes and night sweats at the beginning of the study. The results found soy-containing foods — called phytoestrogens because they have a chemical structure similar to estrogen — had no affect on the onset of menopausal symptoms.
"This study contributes to the discussion about the effects of phytoestrogens on symptoms at menopause," added Gold. "But it is not the final word. Other advantages to these compounds may exist, or it may be that a subset of women will benefit from phytoestrogen intake because of their genetic makeup, which could affect their metabolism of these dietary factors."
The study was funded, in part, by the National Institute on Aging, National Institute of Nursing Research and the National Institutes of Health Office of Research on Women's Health.
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Soy products like tofu won’t prevent the onset of hot flashes and night sweats in women.
Wednesday, 07 November 2012 12:42 PM
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