Phobias can arise from all sorts of lurking dangers, like venomous snakes. But holes? Is trypophobia really a thing? Find out why a person might fear an array of innocent holes and the role social contagion could play.
Learn more about advertising on the HowStuffWorks podcasts at www.howstuffworks.com/advertisers.htm
And to learn about your ad choices when listening to podcasts, visit
https://www.howstuffworks.com/privacy.htm#ad-choices
