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        Gross Science | Is Fear Contagious?

        Learn how fear may be contagious, in the video from NOVA’s Gross Science series. Animals give off bodily secretions called pheromones that can communicate information, such as potential threats, to other members of the same species. Similarly, humans release chemosignals in sweat when they are scared or stressed. Studies have shown that chemosignals in human sweat may transmit information about emotion to people who smell them. In addition, humans tend to mimic the feelings of people around them in a form of emotional contagion, spreading positive or negative emotions in a group. This resource is part of the NOVA: Gross Science Collection.

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