What Are Migraine Headaches?

Migraines have a bad reputation. It has gotten to the point that anyone with a severe headache calls it a migraine. Actually, the severity of a migraine headache can vary dramatically-some people with migraines have virtually no pain at all, just visual symptoms or neurological symptoms such as numbness.

The cause of migraines appears to be at the brain cell level, where the release of potent chemi…