What is the side effect of eating walnut?
                                
                                
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                                    5 min read                                
                            
                                According to a 2025 study in *Everyday Health*, over-consuming walnuts, which are rich in fiber and fat, can lead to significant digestive discomfort. While generally a healthy food, it is important to understand what is the side effect of eating walnut to avoid potential complications, including allergies, weight gain, and interactions with certain medications.