TED-Ed

Mel Rosenberg: What causes bad breath?

2015 • E37    Mar 31, 2015    4m
Halitosis is a curse that has plagued humanity since ancient times. But what causes it, and why is it so universally terrifying? Mel Rosenberg outlines the basics of bad breath — and what you can do when it strikes you. [Directed by Andrew Foerster, narrated by Addison Anderson, music by Devin Polaski].

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