Study explains why milk is an effective way to quench the burn of spicy food

Maybe you've heard that milk is the perfect way to extinguish that spicy food burn. Why is milk so effective? And what if you can't drink milk?

This week, our lactose-intolerant host, Sam, tries to figure out her options by chatting with expert Alissa Nolden, Ph.D.. Sam and George eat peppers and try to quench the burn for science. Spoiler alert: One of them does a heck of a lot better than the other.

Reactions is a video series produced by the American Chemical Society and PBS Digital Studios.