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What causes diverticular disease?

Doctors are not sure what causes diverticular disease. Many think that a diet low in fiber is the main cause. Fiber is a part of food that your body cannot digest. It is found in many fruits and vegetables. Fiber stays in the colon and absorbs water, which makes bowel movements easier to pass. Diets low in fiber may cause constipation, which occurs when stool is hard and difficult to pass. Constipation causes your muscles to strain when you pass stool. Straining may cause diverticula to form in the colon. If stool or bacteria get caught in pouches, diverticulitis can occur.

This answer is based on source information from National Institute of Diabetes and Digestive and Kidney Diseases.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.