Headaches are a prevalent health concern, affecting a significant portion of the global population. According to a comprehensive review published in The Journal of Headache and Pain, approximately 52% of individuals worldwide experience a headache disorder annually, with 14% reporting migraines. (biomedcentral.com) The brain and nervous system are primarily involved in headaches, as the brain itself lacks pain receptors; instead, pain arises from other nerves inside blood vessels in the head. (ohsu.edu) Recognizing the underlying health issues masked by a simple afternoon headache can be challenging, making it crucial to pay attention to such symptoms.
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32. High Altitude or Airplane Travel Traveling to high altitudes or flying can trigger headaches due to reduced oxygen levels and atmospheric pressure changes. At elevations…