This is a clinical trial and observational study with primary aims to determine how hormone therapy, diet and calcium/vitamin D affect risk of heart disease, cancer and osteoporosis in postmenopausal women, and to determine the longer term effects of these interventions.
Jean Wactawski-Wende, PhD, principal investigator of UB’s Women’s Health Initiative (WHI) Center, discusses the significance of the WHI, one of the longest and most comprehensive studies ever done on postmenopausal women.