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Word of Mouth - Segment
Mon October 7, 2013
Why Are Some Things Considered Disgusting?
Revulsion kept early humans from eating spoiled meat, or snuggling up to people covered with oozing sores. Today, some cultures prize cheeses writhing with maggots, or drink liquor made from fermented saliva. This is not a trick to get you to “eeewww” but a way to evoke the visceral nature of disgust, which as Rachel Herz found, is powerful enough to convict suspects, incite genocide, and make us writhe and wretch within seconds.
Rachel is an instructor at Brown University and expert on the psychology of smell and emotion and the author of “That’s Disgusting: Unraveling the Mysteries of Repulsion.”