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A stomach ulcer is an injury to the mucous membrane of the organ. It can progress to perforation and hemorrhage. What are the causes of stomach ulcers? Does stress cause ulcers? What is the role of Helicobacter pylori? Do medications such as anti-inflammatories have an impact? 00:00: Introduction 00:49: What is a stomach ulcer? 01:26: Symptoms of stomach ulcers 02:18: Helicobacter Pylori infection 03:16: Anti-inflammatories / Aspirin 04:15: Stress