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This common way of checking bad breath doesn't actually work - here's how you can know for sure

Joe Avella,Jessica OrwigJul 19, 2016, 21:36 IST

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NYU otolaryngologist Erich Voigt explains the best way to tell if you have bad breath. Breathing into your hand is not a good indicator.

Produced by Joe Avella & Jessica Orwig

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