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Published on: July 12, 2018
Constipation and a low-fiber diet are not associated with diverticulosis
Anne F Peery1, Robert S Sandler, Dennis J Ahnen
1University of North Carolina School of Medicine, Chapel Hill, North Carolina.
Summary
Constipation and low-fiber diets do not increase the risk of asymptomatic diverticulosis. This study found no association between these factors and the condition, challenging common assumptions about diverticular disease development.
Area of Science:
- Gastroenterology
- Digestive Health
- Epidemiology
Background:
- Diverticulosis is often linked to constipation and low dietary fiber, but evidence is limited.
- This study investigates the relationship between these factors and asymptomatic diverticulosis risk.
Purpose of the Study:
- To examine the associations between constipation, low dietary fiber intake, and the risk of asymptomatic diverticulosis.
Main Methods:
- Cross-sectional study of 539 individuals with diverticulosis and 1569 controls.
- Colonoscopy, diet, physical activity, and bowel habit assessments were conducted.
- Analysis excluded participants aware of their diverticular disease to minimize bias.
Main Results:
- Constipation was not associated with an increased risk of diverticulosis.
- Less frequent bowel movements (<7/wk) and hard stools showed reduced odds of diverticulosis.
- No association was found between dietary fiber intake and diverticulosis risk.
Conclusions:
- Neither constipation nor a low-fiber diet is associated with an increased risk of developing diverticulosis.
- Findings challenge conventional understanding of diverticulosis etiology.
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