In this episode of Talk Nerdy, Cara is joined by Dr. Randi Hutter Epstein, author of “Aroused: The History of Hormones and How They Control Just About Everything.” They talk about her work as a science and medicine writer, and her winding journey from M.D. to M.P.H. and everything in between. Then they focus on the topic of her new book, the fascinating history and current impact of human hormones.