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UCI-led study identifies ulcer bug
Orange County Register

About 4.5 million people suffer from peptic ulcers, when stomach acid eats away at the lining of the esophagus, stomach or small intestine. Many ulcers are caused by a corkscrew-shaped bacterium called Helicobacter pylori. The bug lives in the mucous layer that protects tissues in the digestive tract. About half of people have it, without problems, but sometimes it can inflame that mucous layer and cause an ulcer.

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