Everybody knows that stress gives you a headache.

Everybody knows that a lack of sleep gives you a headache.

In fact, everybody knows that drinking wine, skipping a meal, and studying too hard for a test can give you a headache.

But why?

There's no easy answer to this question, and the true answer likely includes multiple factors. People with migraine likely have genetic differences that lower pain thresholds and increase the likelihood of having migraine attacks. People with migraine are also more likely to have had early childhood trauma and high-stress times in their lives, which could change how their brains interact with their environment. However,........

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