31 Strange Causes of Headaches That Have Nothing to Do With Dehydration

12. Skipping Meals: The Blood Sugar Rollercoaster

Trendy female with backpack rushing and running on street. Photo Credit: Envato @GaudiLab

If you've ever felt a headache creeping in when you haven’t eaten for a while, low blood sugar could be to blame. When you skip meals or go long hours without eating, your blood sugar drops, triggering headaches as your body struggles to maintain energy levels. This is especially common in people who consume a lot of refined carbs, which cause blood sugar spikes followed by crashes. Keeping balanced meals with protein, fiber, and healthy fats can help maintain stable blood sugar and keep hunger-induced headaches at bay.

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