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GI function

Disorders of the small intestine

Currently, available research shows no relationship between coffee consumption and the development of duodenal ulcers

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GI function
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Effects of coffee consumption

Duodenal ulcers

  • A large 1997 prospective cohort study of 47,806 American men assessed the relationship between caffeine, alcohol and smoking on the risk of developing duodenal ulcers18. None of these factors were found to be associated with a substantial increase in risk
  • A further 2013 cross-sectional study of 8,013 healthy subjects in Japan also showed no association between coffee intake and duodenal ulcers17
  • A 1990 study shows no difference in the daily pattern of coffee intake, or the pattern of complaints after drinking coffee between those with duodenal ulcers and controls19

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