How to Prevent a Migraine

There's a new wrinkle on headache cures: botox. It often works when nothing else does

Half the 28 million Americans who get migraines never see a doctor about them. That is a shame, because not only are there plenty of drugs that can alleviate the often debilitating pain of migraines, but there are also whole classes of medications that can prevent them in the first place. These include beta and calcium-channel blockers that improve the flow of blood to the brain, anti-depressants that regulate levels of the brain chemical serotonin and various antiinflammatory drugs and anti-seizure medicines (epilepsy and migraines, for reasons no one yet understands, seem to have common origins).

Unfortunately, a large group of...

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