Soy reduces breast cancer risk.

Eating soy-rich foods could reduce a woman's risk of developing breast cancer. A study has found that women who eat soy-rich diets have less "high risk" dense breast tissue. It had been suspected that the high consumption of foods such as tofu and soy beans or milk in countries such as China and Japan contributed to the countries' low breast cancer rates.

Researchers from Cancer Research UK, the National University of Singapore and the US National Cancer Institute looked at the results from two studies carried out in Singapore. The first looked at the women's diet, the second used mammograms to asses the density of their breast tissue.

This research shows for the first time how the amount of soy a woman eats may have an effect on breast tissue and in turn may potentially reduce her risk of breast cancer.
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BBC News, Friday, 5 July, 2002