Adam Ruins Everything: How Listerine Created Bad Breath

Comedian Adam Conover, from College Humor, and the new truTV show, Adam Ruins Everything, explains how 1920s marketing geniuses exploited people’s insecurities to sell more bottles of Listerine mouth wash.

Previously: The Gross Truth About Salmon and Tuna, Why Wine Snobs Are Faking It

[College Humor]