The many surprising uses of Listerine mouthwash

5. Cough.

“Cough, you chump… it’s all your own fault,” read a newspaper article in winter 1932. Modern Mechanix shows the same article says medical tests proved gargling Listerine twice daily reduced the frequency and severity of coughs and colds. More than 80 years later, WikiHow verifies rinsing with an antiseptic mouthwash can prevent bacteria from infecting the respiratory system.

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