# What causes bad breath?

- Institution: TED
- Department: TED-Ed
- Speaker: Mel Rosenberg
- Year: 2015
- Level: For everyone
- Language: English
- Subjects: Medicine and health
- Source: [TED](https://www.ted.com/talks/mel_rosenberg_what_causes_bad_breath)
- Licence: [CC BY-NC-ND 4.0](https://creativecommons.org/licenses/by-nc-nd/4.0/) (Non-commercial use only, and no changed versions.)
- Who can watch: Teens profiles and older (sources give no ratings; placed by Invisible Network from the source's own words)

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. \[Directed by Andrew Foerster, narrated by Addison Anderson, music by Devin Polaski\].

## Lectures

1. [What causes bad breath?](https://invisiblenetwork.ai/learn/ted/mel_rosenberg_what_causes_bad_breath/07cead19ac49), 4 min (TED's player)