Imagine a physical condition that creates dramatic temperature changes in the body, including lethargy, loss of sex drive, anxiety, and depression. This is reality for every single woman, a reality called menopause. But since the dawn of time, menopause has just not been a topic for polite company, let alone public discussion. NPR's Rachel Martin talks to menopause expert Dr. JoAnn Pinkerton , division director of the Midlife Health Center at the University of Virginia , who answers listeners' questions.