In Adam Ruins Everything, host Adam Conover employs a combination of comedy, history and science to dispel widespread misconceptions about everything we take for granted. This week: He explains how Listerine –originally invented in the 19th century as a surgical antiseptic, a floor cleaner, and a cure for gonorrhea – used advertising to exploit people’s insecurities and create the concept of bad breath by coining the term “halitosis.”
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