Gum disease linked to head and neck cancer

NEW YORK (Reuters Health) - The health hazards associated with chronic periodontitis (gum disease) extend way beyond the mouth. For years people have been warned that persistent periodontitis can cause heart disease. Now a new study suggests that gum disease may also be a risk factor for cancers of the head and neck.

Link:
http://www.reuters.com/article/idUSTRE58A5UD20090911