The possible cause of peptic ulcer What are the factors

The cause of peptic ulcers and pathogenesis, despite the many years of research, has not yet been fully clarified. Is now sufficient evidence that its incidence is not a factor involved, but involves a variety of factors. However, under normal circumstances, stomach, duodenum mucosa can withstand these factors invasion of harm. Stomach, duodenum mucosa have such self-protection mechanism in order to avoid the invasion of harmful factors and to maintain the stomach, duodenum integrity. The stomach, duodenum a protective role of the main factors mucosal barrier, a mucus bicarbonate barrier _ mucus blood flow, cell update, prostaglandin, such as epidermal growth factor. Although the cause of peptic ulcers are still not clearly explained, but in general, because of stomach and duodenal mucosa damaging effects of self-defense mucosal invasion and loss of balance between the factors of the results. Is generally believed that genetic factors, geographical environment, climate season, restaurants, Helicobacter pylori, drug stimulation, smoking, mental factors, the impact of certain diseases and gastric and duodenal mucosa their own protective factors and so on and peptic ulcer On the incidence.