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Phytoestrogens (Like Soy) Safe, New Study Reports

Submitted by on Wednesday, 7 October 2009No Comment

endamePhytoestrogens like soy and red clover isoflavones pose no safety issues with regards to heart health and breast cancer risk, according to a new meta-analysis from Austria.

The study, of 92 randomised controlled trials with almost 10,000 participants was published in The American Journal of Medicine. “Our findings have implications for women seeking safe […] alternatives to hormone replacement therapy,” wrote the researchers, led by Clemens Tempfer from the Medical University Vienna.

There has been a lot of confusion about the safety of soy because soy isoflavones are naturally occurring estrogen-like compounds called phytoestrogens, and too much estrogen is linked to increased risk of breast cancer. Some mice studies have shown that phytoestrogens can increase chances of breast cancer. However, studies also show that those with soy-based diets tend to have lower amounts of breast cancer.

By Annie B. Bond, the best-selling and award-winning author of five healthy/green living books, including Better Basics for the Home (Three Rivers Press, 1999), Home Enlightenment, Clean & Green (1990), and most recently True Food (National Geographic, 2010 and winner of Gourmand Awards Best Health and Nutrition Cookbook in the World). She has authored literally thousands of articles and was named “the foremost expert on green living” by Body & Soul magazine (2009).


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