Soy Soy: Main Controversies Breast Cancer Dementia Infant Formulas Feminizing Characteristics Thyroid Soy Benefits References Soy: Research Summary Introduction—Why the Fuss? The Isoflavones Soy Servings Soy Foods Benefits of Soy Lowering Cholesterol Prostate Cancer Menopausal Symptoms All-Cause Mortality Asian Intakes Japan China Singapore Korea Fermentation Breast Cancer Reviews Meta-analyses Retrospective Studies Observational Studies of Women Initially without Cancer Observational Studies with Higher Soy Intakes Breast Cancer Survival and Recurrence Breast Tissue and Nipple Aspirate Thyroid Introduction Reviews Primary Studies Secondary Studies Infant Formula Research on Soy Formula and Health Feeding Pre-Term Infants Feeding Infants with Thyroid Issues Cognition Long-term Studies Clinical Trials Conclusion Hexane Mineral Absorption Calcium Zinc Iron Magnesium Fermentation Feminizing Characteristics Gynecomastia aka Male Breasts Sperm Health Review Endometrium Ovarian Function Fertility Glutamate Hypospadias References