Preventing diverticular disease. Review of recent evidence on high-fibre diets.
Level 5 - mechanism / opinion, no new human data
Narrative review of observational studies without systematic review methodology or meta-analysis
What was done
The author searched MEDLINE from January 1966 to December 2001 for literature on dietary and lifestyle associations with diverticular disease (DD), focusing on dietary fiber. The review evaluated case-control studies, dietary intervention studies for symptomatic disease, and one prospective cohort study of US male health professionals.
What was found
The abstract reports no numerical risk estimates or confidence intervals. It describes that a diet high in fiber (primarily from fruits and vegetables, especially insoluble fiber and cellulose) and low in total fat and red meat decreases DD risk. Higher physical activity was associated with reduced risk, while caffeine, alcohol, and obesity were not substantially associated with increased risk.
Why it matters
This review synthesizes the observational evidence base supporting high-fiber diets and active lifestyles for primary prevention of diverticular disease in primary care.
Limits
The abstract provides no quantitative metrics or counts of included studies. Prospective data were derived from only one cohort composed exclusively of male US health professionals, limiting generalizability. Most other reviewed studies were case-control designs prone to recall and selection biases.
Cited by
- supports Insoluble dietary fiber decreases gut transit time and decreases the risk of diverticulitis.