
Rachel Herz, Ph.D., is on the faculty at Brown University and a professional consultant. Besides That’s Disgusting, featured on Rorotoko, she is the author of The Scent of Desire: Discovering Our Enigmatic Sense of Smell (2007), a finalist for the 2009 AAAS/Subaru/SB&F Prize for Excellence in Science Books.
I would hope someone stumbling upon That’s Disgusting in a bookstore either first thumbed through the chapter on horror and perverse pleasures (Chapter 6, “Horror Show”), or the chapter on morality (Chapter 8, “Law and Order”). I also hope that after skimming either of these chapters that reader would flip through the chapter on food, (Chapter 1, “Let’s Eat”).Teaching my seminar course, “The Psychology of Aversion,” at Brown University, I discovered that horror movies have huge appeal. However, I also know that interest in horror wanes with age and that not everyone is attracted to it—quite the opposite in fact, though this can also be a motivator for interest. Therefore, readers who are intrigued by horror movies and more generally by the perversity of being attracted to things that are disgusting and “deadly” would be recommended to have a glance through this chapter.Though I did not expect it while writing, the chapter on morality has been singled out by many who have formally reviewed the book as being of particular interest. Moral disgust is also particularly complex and scientifically unresolved, and in fact I do not believe that we are disgusted in many instances when we say we are. Why and what we are actually feeling is also revealed in Chapter 8.The chapter on food touches on many of the conceptual curiosities that the rest of the book tackles in more depth—cross-cultural diversities and perversities, breaching taboos, and how mere thought can turn something from delightful to disgusting. This chapter also contains a fair share of pop-culture oddities.You do not need to be trained in science or anthropology to appreciate That’s Disgusting. I wrote it solely with the general reader in mind, and my wish is that it is accessible, enjoyable and interesting to all.At the same time, I believe that each reader will come to That’s Disgusting with a unique perspective and take away different things from it that are singular to him or her. We have all experienced disgust and therefore we can all approach it with our own personal tendencies and peculiar intrigues. Moreover, That’s Disgusting enables the reader to indulge in their secret fascinations, providing a private window through which the reader can examine themself as well as lay their eyes on others.I am not so bold as to believe that there are any great consequences or implications to be gained from reading the book—but I do hope that it makes readers think about their lives and the way they treat other people in a slightly different and more appreciative way.

Rachel Herz That’s Disgusting: Unraveling the Mysteries of Repulsion W. W. Norton288 pages, 6 1/8 x 9 1/4 inches ISBN 978 0393076479
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