Warmer weather spells more migraines

The study finds that every time the temperature rises about nine degrees, there's a greater risk for severe headaches compared to when the weather is cooler.

Air temperature, humidity, and barometric pressure are often cited as reasons for headaches, but until this new research, there's been little evidence to support those claims.

Researchers say warmer weather leads to lower blood pressure, and there's strong evidence to suggest migraines are related to changes in blood flow around the brain.


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