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  • Migraine - Symptoms and causes - Mayo Clinic
    Though migraine causes aren't fully understood, genetics and environmental factors appear to play a role Changes in the brainstem and its interactions with the trigeminal nerve, a major pain pathway, might be involved
  • Migraine: What It Is, Types, Causes, Symptoms Treatments
    Researchers aren’t sure of the exact cause of migraines, but studies show genetics play a role When you have a headache, specific nerves in your blood vessels send pain signals to your brain
  • Migraine - National Institute of Neurological Disorders and Stroke
    Current research shows that this head pain happens when there is abnormal activity among nerve signals, chemical signals, and blood vessels in the brain Some people have migraine attacks at predictable times—such as before their period (menstrual cycle) or on weekends following a stressful week
  • Migraine: Symptoms, Causes, Treatment, Triggers, and More
    Here’s what you need to know about migraine headaches, including types, symptoms, triggers, treatments, and how they’re different from regular headaches
  • Migraine Causes: Triggers and Risk Factors - WebMD
    But migraine is much more than just a headache Learn more about the common causes, triggers, and risk factors of migraines
  • What really causes migraine? - BBC
    By carrying out studies on genes, blood vessels and the molecular cocktail swirling around in patients' heads, scientists are inching closer to understanding why migraine occurs, how it can be
  • Demystifying migraine — Harvard Gazette
    About 15 percent of people worldwide suffer from migraine, a neurological condition that can cause headache, nausea, visual disturbances, and sensitivity to light and sound After stroke and neonatal brain injuries, migraine is the third-highest nerve-related cause of years lost to disability worldwide
  • Migraine: MedlinePlus Medical Encyclopedia
    True migraine headaches are not a result of a brain tumor or other serious medical problem Only your health care provider can determine if your symptoms are due to a migraine disorder or other condition
  • Migraine: Causes, Symptoms, Diagnosis, and Treatment
    Migraines begin in the brainstem and involve abnormal interactions between nerves and blood vessels The trigeminal nerve—a major pain pathway in the face and head—becomes activated, releasing inflammatory substances that irritate blood vessels and amplify pain signals
  • Migraine and other headache disorders - World Health Organization (WHO)
    The exact cause of migraine is currently unknown but it is thought to result from the release of pain producing inflammatory substances around the nerves and blood vessels of the head





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