How can you help prevent a recurrence of diverticulitis?
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A high-fiber diet is often prescribed after recovery from acute diverticulitis, based on extrapolation from epidemiologic data showing an association between low-fiber diets and diverticulosis (strength of recommendation [SOR]: C, expert opinion). No direct evidence establishes a role for fiber in preventing recurrent diverticulitis, however. No evidence supports the common advice to avoid nuts and seeds to prevent diverticulitis. Eating nuts, corn, and popcorn doesn't increase the risk; in fact, nuts and popcorn may have a protective effect (SOR: B, large cohort study).
Journal of Family Practice, 58(7) 2009: 381-382.
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