Can skipped meals or blood-glucose changes trigger migraine?
Short answer
Yes. Blood-glucose swings and skipped meals are common migraine triggers, particularly when combined with other stressors on the system.
More detail
The brain relies on stable fuel delivery. When glucose drops or fluctuates rapidly, a migraine-sensitized nervous system is more likely to shift past its threshold. This is one reason morning migraines and post-exercise migraines are so common.
Simple adjustments to meal timing and composition often reduce this contributor. When broader metabolic problems are involved, evaluation may be worthwhile.
This information is educational and general in nature. It is not a diagnosis or a treatment plan, and it does not describe every possible cause of a symptom. Individual evaluation is required to determine what applies to any specific case.
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