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Risk factors

By Mayo Clinic staff

These factors may increase your chances of getting diverticulitis:

  • Aging. You're more likely to get diverticulitis if you're over 40, although it's not known why. It may be that age-related changes, such as a decrease in strength and elasticity of your bowel wall, could contribute to diverticulitis.
  • Too little fiber. Diverticulitis is rare in countries where people eat a high-fiber diet that helps keep stools soft. But it's common in industrialized nations, such as the United States, where the average diet is high in refined carbohydrates and low in fiber. In fact, diverticular disease emerged after the introduction of steel-rolling mills, which greatly reduced the fiber content of flour and other grains.
  • Lack of exercise. Lack of exercise has been associated with a greater risk of formation of diverticula putting a person at risk of diverticulitis. The reasons for this aren't understood.
  • Obesity. Being seriously overweight increases your odds of developing diverticulitis and diverticular bleeding.
References
  1. Diverticulosis and diverticulitis. National Institute of Diabetes and Digestive and Kidney Diseases. http://digestive.niddk.nih.gov/ddiseases/pubs/diverticulosis. Accessed March 30, 2009.
  2. McQuaid KR, Gastrointestinal disorders. In: McPhee SJ, et al. Current Medical Diagnosis & Treatment 2009. 48th ed. Los Altos, Calif.: Lange Medical Publications; 2009. http://www.accessmedicine.com/content.aspx?aID=6395. Accessed March 30, 2009.
  3. Diverticulitis. The Merck Manuals: The Merck Manual for Healthcare Professionals. http://www.merck.com/mmpe/print/sec02/ch019/ch019c.html. Accessed March 30, 2009.
  4. Young-Fadok T, et al. Epidemiology and pathophysiology of colonic diverticular disease. http://www.uptodate.com/home/index.html. Accessed March 30, 2009.
  5. Jacobs DO. Clinical practice: Diverticulitis. New England Journal of Medicine. 2007;357:2057.
  6. Strate LL, et al. Nut, corn, and popcorn consumption and the incidence of diverticular disease. Journal of the American Medical Association. 2008;300:907.
  7. Fox JM, et al. Diverticular disease of the colon: Epidemiology. In: Feldman M, et al. Sleisenger & Fordtran's Gastrointestinal and Liver Disease: Pathophysiology, Diagnosis, Management. 8th ed. Philadelphia, Pa.: Saunders Elsevier; 2006. http://www.mdconsult.com/das/book/body/128818258-3/0/1389/861.html?tocnode=51643533&fromURL=861.html#4-u1.0-B1-4160-0245-6..50119-0_5426. Accessed March 30, 2009.
  8. Fox JM, et al. Diverticular disease of the colon: Etiology. In: Feldman M, et al. Sleisenger & Fordtran's Gastrointestinal and Liver Disease: Pathophysiology, Diagnosis, Management. 8th ed. Philadelphia, Pa.: Saunders Elsevier; 2006. http://www.mdconsult.com/das/book/body/128818258-3/0/1389/863.html?tocnode=51643536&fromURL=863.html#4-u1.0-B1-4160-0245-6..50119-0--cesec3_5429. Accessed March 30, 2009.
  9. Picco MF (expert review). Mayo Clinic, Jacksonville, Fla. March 31, 2009.

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May 21, 2009

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