Health: The Ulcer Bug

It has been nearly 25 years since Drs. Barry Marshall and J. Robin Warren showed that the vast majority of peptic ulcers are caused by a bacterium called Helicobacter pylori, a discovery that was honored last week with a Nobel Prize. Yet I'm always surprised by how many ulcer sufferers don't realize that their stomach pains can be easily and effectively cured with antibiotics.

A peptic ulcer is a sore in the protective lining of the stomach or duodenum (the upper part of the small intestine). The most common symptom is a burning pain between your belly button and your breastbone. It's...

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