WÄDENSWIL, Switzerland—Countering prior theories soy isoflavone supplementation can contribute to increased breast cancer risk, new findings from the Osteoporosis Prevention Using Soy (OPUS) intervention study, funded by the USDA, has confirmed that long-term supplementation with soy hypocotyl isoflavones does not cause adverse effects. The findings wee published in the American Journal of Clinical Nutrition (2011; [...]