This also creates a chemical dependency that can cause migraines when your brain is deprived of it.

Post-production is also causing migraines for the $180 million "Titanic," the most expensive movie ever made.

Excess caffeine (in any food or drink) can cause migraines.

But be careful: Cutting back abruptly may also cause migraines.

Changes in your normal sleep habits can cause migraines.

Although the ergotamines work on brain receptors, they appear to be much less specific to those that cause migraines.

Finding a top quarterback has long caused migraines for coaches and personnel men.

Scientists aren't sure what causes migraines with aura.

Factors suspected of causing migraines with aura include genetics and being overweight.

Scientists aren't sure what causes migraines, including migraines without aura.