http://articles.mercola.com/sites/articles/archive/2001/12/05/throat-cancer-part-two.aspxInfection with the ulcer-causing bacterium Helicobacter pylori may increase a person's risk of developing larynx cancer. Approximately two thirds of the world's population is infected with H. pylori. In the United States, H. pylori is more prevalent amongenCommunityServer 2008.5 SP1 (Build: 31106.3070)