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Most of these primary headaches are tension headaches. [79] Most people with tension headaches have "episodic" tension headaches that come and go. Only 3.3% of adults have chronic tension headaches, with headaches for more than 15 days in a month. [79] Approximately 12–18% of people in the world have migraines. [79]
Five possible evolutionary explanations exist: i) migraine as a defence mechanism, ii) migraine as a result of conflicts with other organisms, iii) migraine as a result of novel environmental factors, iv) migraine as a compromise between genetic harms and benefits, and v) headache as a design constraint. [3]
Exacerbation or worsening of headache symptoms during physical activity is another distinguishing feature. [5] Up to one-third of people with migraine experience aura, a premonitory period of sensory disturbance widely accepted to be caused by cortical spreading depression at the onset of a migraine attack. [4]
Learn more about symptoms and signs of migraines, plus what causes migraines and how to get rid of a migraine. Migraines are characterized by severe head pain that pulses or throbs, often on one ...
Headaches disorders are surprisingly common. Experts discuss new research and why women typically have more headaches — including migraine attacks — than men.
Headaches are an unfortunate part of life. In fact, they're the most common form of pain people experience, and a major reason why people miss days of work or school.. When you have a bad headache ...
Earthquake sensitivity and earthquake sensitive are pseudoscientific terms defined by Jim Berkland [1] to refer to certain people who claim sensitivity to the precursors of impending earthquakes, manifested in "dreams or visions, psychic impressions, or physiological symptoms", the latter including "ear tones" (ringing in the ears), headaches, and agitation.
If you get headaches when the weather starts to change, you aren't alone — here's why it happens and what you can do, according to a doctor.
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