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Live Science

Why does heat cause headaches?

Live Science
Summary
Nutrition label

78% Informative

Some research does suggest that people's rates of headaches spike when temperatures go up.

But experts like Dr. Nolan Pearson say it's important to look beyond heat to find the reason for summertime headaches.

Poor air quality is a well-known headache trigger, and one common effect of heat waves is that they tend to make air quality worse.