causes-risk-factors-diverticulitis

Diverticulitis Causes

Diverticulosis and diverticulitis together are called diverticular disease. The disease is very common but the exact cause of diverticular disease is unknown. Some doctors believe it is caused by a low-fiber diet.

Diverticular disease is common in developed or industrialized countries such as the United States, England, and Australia where low-fiber diets are consumed.1 In fact, more than 200,000 Americans are hospitalized with diverticulitis each year, while the disease is rare in Asia and Africa a high-fiber diet is more common.2

Fiber helps to prevent constipation by making stool easy to pass. Constipation or hard stool may cause people to strain during bowel movements. Straining may cause increased pressure in the colon, which may cause diverticula.


  1. National Digestive Diseases Information Clearinghouse; National Institutes of Health. Available from: http://digestive.niddk.nih.gov/ddiseases/pubs/diverticulosis/
  2. U.S. News & World Report; Uninsured Face Worse Outcome After Diverticulitis; Dec. 2008. Available from: http://health.usnews.com/health-news/diet-fitness/digestive-disorders/articles/2008/12/15/uninsured-face-worse-outcomes-after-diverticulitis.html

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