The link between migraines and depression: Headaches have a chemical impact on mental health, study shows

In spite of the fact that about 12 percent of American adults experience migraines, according to the Migraine Research Foundation, the exact causes behind the acute headaches are not well understood.
Migraines create the sensation of intense throbbing, and often are also marked by nausea, dizziness and sensitivity to light and sound that can last up to 72 hours. Some people experience stiffness leading up to a migraine.
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