Despite the widespread belief that natural is better when it comes to sex, pregnancy, and parenting, most of us have no idea what "natural" really means; the origins of our reproductive lives remain a mystery. Why are a quarter of a billion sperm cells needed to fertilize one egg? Are women really fertile for only a few days each month? How long should babies be breast-fed?
What comes to mind when you picture a psychologist? If you're like most people coming to this fascinating field for the first time, the answer may include a leather couch and a scholarly looking gentleman quietly taking notes and occasionally nodding. In some ways, such a picture would be accurate, a confirmation not only of the importance of Sigmund Freud in the history of psychology but also of the degree Freud dominates the popular perception of this discipline.