They collected survey data on soy consumption (miso soup, soyfoods, and estimated isoflavones) of 21,853 Japanese females between 40-59 years of age, and followed them prospectively for nine years while tracking breast cancer diagnoses.
They found that consumption of miso soup and isoflavones (but not soyfoods) was inversely associated with the risk of breast cancer (comparing the lowest quartile of isoflavone intake to the highest quartile, the adjusted relative risk for breast cancer in the highest quartile was 0.46, with the 95% Confidence Interval=0.25-0.84). The association was even stronger when considering only post-menopausal women.
I will make sure to start having more miso. Maybe other companies should learn from their marketing strategies?
There is so much emphasis on evidence-based medicine, but what about evidence-based food? After all, food can be thought of as a kind of medicine we take every single day.
Evidence-based food. I like the sound of that.
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