How Many Cups of Water to Get Rid of a Headache?
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4 min read
Mild dehydration can trigger headaches, a finding supported by studies showing a link between fluid loss and head pain. When you're dehydrated, your brain tissue loses some fluid, causing it to shrink and pull away from the skull, which activates pain receptors. Fortunately, for many people, simply rehydrating with water can be an effective remedy.