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The Evidence for Diet as a Treatment in Migraine-A Review

Nguyen KV, Schytz HW

Nutrients, 2024

Abstract

Background/objectives: The connection between diet and migraine has gained increasing attention in migraine research due to its potential relevance as part of migraine treatment. This study reviewed the current evidence on the use of diets or specific foods in the prevention of migraine. Methods: A PubMed search was performed with the keywords "diet and migraine" OR "brain-gut-axis and migraine". One author (KVN) screened titles, abstracts, and full-text articles and excluded or included them based on eligibility criteria. Results: A ketogenic diet and a "Dietary Approaches to Stop Hypertension" diet reduced attack duration (p < 0.002), frequency (p < 0.05), and severity (p < 0.01). The ketogenic diet also reduced monthly medication intake (p ≤ 0.05). A low-fat vegan diet mixed with an elimination diet reduced the attack duration (p < 0.01), frequency (p < 0.05), severity (p < 0.0001), and percentage of medicated headaches (p < 0.001). Elimination diet reduced attack duration (p < 0.05), frequency (p < 0.02), severity (p < 0.01), and medication intake (p < 0.002). Elimination diet with IgG-positive foods reduced attack frequency (p < 0.001), and total medication intake (p < 0.01). Gluten-free diet reduced frequency (p = 0.02) and severity (p = 0.013). Conclusions: Certain diets and food items may trigger attacks in some migraine patients, though the overall evidence supporting this is limited. Modifying a diet may reduce symptoms such as attack duration, frequency, severity,…

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