To figure out what causes your migraines, print the list below. Then check for triggers at the first signs of a headache. Review the list every few weeks or months to see if you can spot a pattern. Chances are, the items that get the most checks are your triggers.
Silent migraines are a medical oddity. How can you have a migraine "headache" without headache pain? The answer lies in the still unfolding mystery of migraine. WebMD explains silent migraines, including their unusual symptoms.
American Headache Society: "Headache Hygiene Tips."
The International Headache Society: "Epidemiology of Headache."
The Migraine Trust: "Your Triggers."
National Headache Foundation: "Migraine."