Hot weather 'can trigger a migraine'

[steaner]

Many migraine sufferers find that their pain can be triggered by changes in the weather Photo: GETTY


Researchers have also found that changes in air pressure can increase the chance of developing a painful headache.
Many migraine sufferers find that their pain can be triggered by changes in the weather, but previously there was little scientific evidence that that was the case.


The study looked at 7,054 patients who went to their hospital's casualty department complaining of severe head pain over a period of seven years.
The researchers, from the Beth Israel Deaconess Medical Centre in Boston, studied whether there was any link between the pain they felt and weather conditions over the previous three days.
They found a rise in temperature of 5 degrees Celsius from the previous day increased the chance of a severe headache within 24 hours by 7.5 per cent, according to the findings, published in the journal Neurology.
There was also a more modest increase in the risk of suffering head pain within 72 hours if air pressure fell.
Dr Andrew Dowson, from of Migraine Action, said that the study would come as little surprise to many migraine sufferers and confirm their "personal observations".
Professor Peter Goadsby, from the Institute of Neurology, London, and the University of California, in San Francisco, said that the study was "interesting".
"The challenge for clinical science is to link this seemingly odd trigger to the brain mechanisms involved in migraine," he added.
More than nine million people in Britain are thought to suffer from migraines, making the condition more common than diabetes, epilepsy and asthma combined.
Migraine is listed as one of the top 20 most debilitating conditions by the World Health Organisation, because of the impact it can have on quality of life.
Other known triggers of migraines include certain foods, alcohol and stress.
However, the study found no clear relationship between air pollution and head pain.

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[petercheck1]

Many migraine sufferers find that their pain can be triggered by changes in the weather, but previously there was little scientific evidence that that was the case.