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[B] The following conclusions are supported by fair evidence:
Although an association between low dietary intakes of linoleic acid and the development of duodenal ulcers has been suggested, a clinical trial does not support the benefit of increasing dietary linoleic acid intake for the treatment of duodenal ulcers.
A meta-analysis of observational studies did not identify a significant association between coffee consumption and the risk of peptic ulcers. Although studies in healthy volunteers