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By Mayo Clinic staffPeptic ulcers are open sores that develop on the inside lining of your stomach, upper small intestine or esophagus. The most common symptom of a peptic ulcer is abdominal pain.
It wasn't too long ago that lifestyle factors, such as a love of spicy foods or a stressful job, were thought to be at the root of most peptic ulcers. Doctors now know that a bacterial infection or some medications — not stress or diet — cause most peptic ulcers.
Peptic ulcers are common, affecting as many as 10 percent of Americans at some point in their lives. The good news is that successful treatment of peptic ulcers is possible.
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