How Doctors Get Rid Of Bad Breath
>> YOUR LINK HERE: ___ http://youtube.com/watch?v=oZ13QfP2os8
View full lesson: http://ed.ted.com/lessons/what-causes... • 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.
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