One of the bacteria that live in your mouth and cause gingivitis is the helicobacter pylori or H. pylori. This bacterium is transmitted by kissing. Everyone have this bacterium in his or her mouth and stomach. You mostly likely got this when you were a youngster and were kissed by your parents and all kinds of relatives.

When these bacteria enter your stomach and small intestine, they wait for an opportunity to multiple. When you eat junk food, overeat, mix foods incorrectly, use NASID