What you need to know about bad breath and how to fix it

Halitosis affects one in four people, but many of them may not be aware of their own smelly breath. [iStockphoto]

Almost everyone experiences bad breath once in a while but for some people, bad breath (halitosis) is a daily problem. Halitosis affects one in four people, but many of them may not be aware of their own smelly breath and may only come to learn about it from a relative, friend, or co-worker.

Bad oral hygiene