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Updated: May 21, 2025

Assessment of the Metabolic Effects of Isocaloric 2:1 Intermittent Fasting in Mice
Published on: November 27, 2019
Fasting and Headache
Patrick T Ebbert1, Lauren R Natbony2,3
1Department of Neurology, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
Fasting may initially worsen migraine symptoms. However, ketogenic diets show promise in reducing migraine frequency and severity by lowering inflammation and improving brain excitability, though intermittent fasting
Area of Science:
- Neurology
- Metabolic Research
Background:
- Migraine is a complex neurological disorder with significant impact on quality of life.
- The role of metabolic factors, including diet and fasting, in migraine pathophysiology is an emerging area of research.
Purpose of the Study:
- To review current literature on the relationship between fasting and migraine.
- To examine clinical outcomes and pathophysiological mechanisms linking fasting and migraine.
Main Methods:
- Literature review synthesizing recent studies on fasting and migraine.
- Analysis of clinical trial data and genetic studies.
Main Results:
- Retrospective analyses suggest short-term fasting may exacerbate migraine symptoms.
- Ketogenic diets significantly reduce migraine frequency, inflammation markers, and disability (VAS, MIDAS, HIT-6).
- Benefits of ketogenic diets are linked to ketogenesis, not exogenous ketone bodies, suggesting metabolic pathway involvement.
- Genetic links between glycemic processing and migraine occurrence are identified.
Conclusions:
- Ketogenesis appears to reduce migraine frequency and disability by decreasing inflammation and cortical excitability.
- The potential of intermittent fasting for migraine prevention requires further dedicated research.
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