From Science Daily:

An analysis of more than 60 studies suggests that some plant-based therapies are associated with modest reductions in the frequency of hot flashes and vaginal dryness but no significant reduction in night sweats, according to a study appearing in the June 21 issue of JAMA.

Medical treatments for symptoms associated with menopause are available, including hormone replacement therapy. However, given the potentially negative health consequences of hormone replacement therapy on cardiovascular health and breast cancer, 40 percent to 50 percent of women in Western countries choose to use complementary therapies, including plant-based therapies. A broad range of plant-based therapies may improve menopausal symptoms. These therapies include the oral use of phytoestrogens such as dietary soy isoflavones and soy extracts; herbal remedies such as red clover and black cohosh; and Chinese and other medicinal herbs. Although associations of these therapies with menopausal symptoms have been evaluated in randomized trials, most of these studies were limited by sample size, a short follow-up period, suboptimal quality, and inconsistent findings.

Taulant Muka, M.D., Ph.D., of Erasmus University Medical Center, Rotterdam, the Netherlands, and colleagues, in collaboration with the University of Cambridge, conducted a review and meta-analysis of randomized clinical trials that assessed plant-based therapies and the presence of hot flashes, night sweats, and vaginal dryness. The researchers identified 62 studies (6,653 women) that met criteria for inclusion in the analysis.

Use of phytoestrogens was associated with a decrease in the number of daily hot flashes and vaginal dryness score between the treatment groups but…

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