Funny & Fails

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What causes bad breath? - Mel Rosenberg4:14

TED-Ed 1.551.276 views

View full lesson: 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. Lesson by Mel Rosenberg, animation by Andrew Foerster.