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Rising temperatures increase the risk of migraine

A recent study published in the journal of Neurology showed that rising temperatures increase the risks of migraines. The study, led by researchers from Boston’s Beth Israel Deaconess Medical Center and the Harvard School of Public Health, spanned over seven years and looked at 7,054 people suffering from migraines and headaches so bad they had to visit an emergency clinic. Those visits were matched with weather and air pollution information.

The study showed that every 5°C increase in temperature led to a 7.5% increase in headaches. It also found that changes in barometric pressure had much less of an effect, and that there was no evidence that pollution played a role. The researchers don’t know what it is about the rising temperatures that trigger severe headaches.

Dr. Marla Shapiro explains the study more in the interview below:

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Comment from Celine
Time March 11, 2009 at 12:52 PM

Very true and this is talking from personal experience. The worst seasons would be the fall and the spring because during these periods there could be sudden differences in temperature. The arteries are really sensible to these temperature difference and this will cause pain.
So weather is one key trigger and also could be the most important trigger for migraine

Comment from Liliane
Time April 4, 2009 at 9:27 AM

those scientists have definitely not met me, I avoid driving at noon. and as celine said, change of temperature cold hot hot cold give me migraines. so global warming is now directly affecting us the migraine people as well. very rude

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Comment from calgary chiropractor
Time March 15, 2020 at 12:42 AM

In Calgary many patients experience “chinook headaches” which pressure may play a role. These chinooks bring in much higher temperatures during the winter which I had never considered to be part of the cause!

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