Visit these recommended sites for additional information:

Internationally known Bad Breath Researcher, Dr. Mel Rosenberg, discusses source and cure for bad breath on his websites:
http://www.tau.ac.il/~melros/
http://www.smellwell.com/

Extensive information on dental trends and research from the ADA journal:
http://www.ada.org

Causes and Cures for Bad Breath - Univ. of Minnesota School of Dentistry:
http://www.dentistry.umn.edu/news_and_events/wcco_story_bad_breath.html

Oral Health in America - A Report of the Surgeon General:
http://www.surgeongeneral.gov/library/oralhealth/

What is Halitosis? - Academy of General Dentistry:
http://www.agd.org/consumer/topics/halitosis/main.asp

New bacteria responsible for bad breath identified - University of Buffalo:
http://www.buffalo.edu/news/fast-execute.cgi/article-page.html?article=72030009

For information on gum disease, its causes and prevention, check the American Academy of Periodontology:
http://www.perio.org