What causes old constipation?

The main causes of constipation include bad eating habits, lack of exercise, mental and psychological factors, irregular bowel habits, age factors, drug effects, intestinal diseases, systemic diseases, etc. 1. Bad eating habits If the daily diet lacks dietary fiber intake, such as fresh vegetables, fruits, whole grains, etc. Eat too little, it is easy to lead to slow intestinal motility, causing constipation. Excessive consumption of high-fat, high-protein foods, which are usually digested slowly, may also induce constipation. 2. Lack of exercise Long-term sedentary, lack of physical activity, will make intestinal motility insufficient, can not effectively promote feces in the intestinal tract forward, resulting in feces in the intestinal tract for too long, excessive absorption of water, eventually causing constipation. 3. Mental psychological factors in tension, anxiety, stress and other adverse emotional state for a long time, will affect the autonomic nervous function, interference with normal gastrointestinal motility, causing constipation. 4. Irregular defecation habits do not develop the habit of regular defecation, often inhibit defecation, so that the rectum to feces stimulation sensitivity reduced, but also easy to lead to constipation. 5. Age factors With the increase of age, intestinal function gradually decreases, intestinal motility slows down, and constipation problems are more likely to occur. 6. Drug effects Some drugs such as antidepressants, antihistamines, calcium agents, etc. may cause constipation. 7. Intestinal diseases such as intestinal polyps, intestinal tumors, inflammatory bowel disease, etc. may lead to abnormal intestinal function and constipation. 8. Systemic diseases such as hypothyroidism may also induce constipation due to slow metabolism. If constipation is severe and persistent, seek medical attention in time to rule out the possibility of other diseases.