Estrogen Matters: Why Taking Hormones in Menopause Can Improve Women's Well-Being and Lengthen Their Lives -- Without Raising the Risk of Breast Cancer (2024 Revised and Updated Edition)

by Carol Tavris

(This problem—of participants in any study knowing whether they are getting the real drug or a placebo—afflicts much research, even gold-standard RCTs and the Women’s Health Initiative. In studies of menopausal symptoms, a woman will know soon enough what she’s taking.)