What makes Spicy Foods, spicy?

What are the hottest peppers in the world? How do spicy foods affect your body? Should you drink water or milk after eating spicy foods? Thank you for being a subscriber! Please leave a great review right here in the app, and you might hear it on an upcoming episode!  Get official Who Smarted? Merch: tee-shirts, mugs, hoodies and more at www.WhoSmarted.com