Anyone who's had an ulcer before is probably familiar with the ulcer causing bacteria, H Pylori (helio pylori). H. Pylori is a bacteria that thrives in our stomach's conditions. Commonly thought to come from foods that aren't cooked well enough, if conditions are just right the bacteria can multiply and cause the initial formation of an ulcer on your stomach wall.
Not much research has been done into h. pylori's effects on acid reflux. Some reports say that it may contribute to acid reflux by means of reducing the acid in the stomach -- thus coaxing your LES valve into believing that conditions are safe enough for it to relax; and once this happens, the classic symptoms of reflux may manifest (bloating, nasty burps, acidic taste).
How is this possible you ask? Low acid means more reflux? The valve on top of our tummies decides whether or not it should open based on a number of factors: one of those factors being, the acidity level in the stomach. If the acidity level is below normal, the valve may release it's hold and allow some of the gastric juices to flow back into the esophagus. If you have high acidic conditions in your stomach, the valve is going to do a better job to keep shut and protect the esophagus from damage.
And this is why I believe the medical community is approaching the GERD and acid reflux problem from the WRONG angle. Instead of focusing on reducing acid to the stomach, we need to focus more on what we can do to assist the LES valve in closing efficiently.
Want more info? The article here talks about how to use home remedies to cure your reflux by working with your LES valve.