Some of the worst symptoms of menopause — including hot flashes, sleeplessness and pain during sex — have an established treatment. Why aren’t more women offered it? Susan Dominus, a writer for The New York Times Magazine, explains how menopause has been misunderstood both by doctors and society for years, and tells us what happened when her article about it went viral. Guest: Susan Dominus is a writer for The New York Times Magazine.