A diet rich in soy may help women retain strong bones after menopause, thereby reducing their risk of fractures and osteoporosis, research findings suggest. In a study published in the January issue of Obstetrics and Gynaecology, researchers report that postmenopausal women who consumed the most soy-based foods had the strongest bones after adjusting for the number of years since menopause began, and their weight. Very thin postmenopausal women tend to have frail bones.