1. Age
Age factor According to statistics, the prevalence of irritable bowel syndrome is 13.5% in people aged 15-34 years, 13.0% in people aged 35-44 years, and 9.4% in people aged 45 years or older. From the above data analysis, it can be concluded that the incidence of irritable bowel syndrome is higher in people under 45 years old.
2. Gender factor Because of the institutional factor, it is most common in women.
3. Dietary factors Drinking cold, greasy, spicy and other irritating foods and drinking a lot of alcohol can trigger irritable bowel syndrome.
4, psychological factors Psychological stress is prone to anxiety, tension and other adverse emotions, these adverse emotions will indirectly stimulate the body, affecting the plant nerve function, thus causing changes in the motor function of the colon and small intestine, resulting in secretion disorders and thus triggering diarrhea, abdominal pain and other symptoms.