The Morality of Disgust

August 28, 2016

It's believed that disgust evolved to help early humans avoid pathogens. These days, it shapes everything from our reactions to strangers to kinds of foods we like to eat. Psychologist David Pizarro studies disgust and moral reasoning, and he's discovered that revulsion is even tied to a person's political affiliation. Steve Paulson caught up with him to find out why.

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