http://www.oramd.com/bad-breath.htm How to stop bad breath from becoming a problem. Chewing food increases saliva in the mouth. When you are not eating, saliva decreases and bacteria growth [...]

http://www.oramd.com/bad-breath.htm How to stop bad breath from becoming a problem. Chewing food increases saliva in the mouth. When you are not eating, saliva decreases and bacteria growth increases, causing bad breath. When you become dehydrated, you do not produce as much saliva. Once saliva is reduced it allows bacteria to grow, causing bad breath.