Month: April 2012

What are the causes of headaches?

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Causes of Headaches The ICHD defines two types of migraines: ‚Äúclassic migraines‚Äù and ‚Äúcommon migraines.‚Äù Classic migraines are those accompanied by an aura (a visual disturbance). Auras are painless and usually precede the pain of classic migraines. Classic migraines frequently occur within families, suggesting the existence of a migraine gene. Common migraines are those wherein …