Getting to the Bottom of Your Headaches: The Top Migraine Triggers

For people who experience migraines, certain foods, strong perfumes, flickering lights, and weather changes and other environmental factors can set off an attack. But not everyone has the same triggers, and not every time—and that makes the migraine trigger a frustrating prey to hunt down. There is, however, general agreement about the most common triggers. Here's how to spot them and reduce your headache frequency. View the slideshow.