What is the cause of gastrointestinal dysfunction?

There are many reasons for gastrointestinal dysfunction. First, it may be caused by excessive stress in recent life, excessive mental stress and anxiety. Secondly, bad living habits can also cause gastrointestinal dysfunction, such as staying up late often, reversing life and rest, etc. In addition, when suffering from some digestive system diseases, it can also cause gastrointestinal dysfunction, such as indigestion, gastritis, gastric ulcer, etc.