First, the diet is regular, drinking less water, and the diet structure is reasonable (coarse grains and vegetables are full of spicy, wine and tea snacks; Often get angry)
Second, the random rate of living habits
1, often go out and can't defecate regularly;
2, busy work can not defecate in time;
3. Carefully read newspapers and smoke during defecation;
4. Lack of exercise.
Third, physiological and drug factors
1, menopausal autonomic nervous disorder.
2. Taking drugs affects the neuromodulation function.