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  1. Types of Headaches: Symptoms, Causes, Treatments, and More

  2. Headache Causes - Mayo Clinic

  3. Headache: What It Is, Types, Causes, Symptoms & Treatment

  4. Headaches - Types, Causes, Symptoms, Diagnosis, Treatment

  5. Headache: When to worry, what to do - Harvard Health

  6. What Causes Headaches? Triggers, Types, Treatment, and More

  7. Headaches: Treatment depends on your diagnosis and symptoms

  8. Headache Information, Causes, and Symptoms - Healthline

  9. Headache | Johns Hopkins Medicine

  10. Headaches: Causes, types, and treatment - Medical News Today