Do Walnuts Cause Canker Sores? Exploring the Potential Link
                                
                                
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                                    5 min read                                
                            
                                Research suggests that up to 20% of the population is affected by canker sores, and for many, certain dietary factors play a significant role in triggering these painful ulcers. This has led many to question, 'do walnuts cause canker sores?' and explore the relationship between nut consumption and oral health.