Frequent migraine sufferers have an increased risk of brain damage, researchers said today.
Professor Richard Lipton, from New York’s Albert Einstein College of Medicine, also said there was evidence that in some people migraines got worse with time, leaving many severely disabled in their everyday lives.
He called on experts in the field to do more to actively target the prevention of migraines, rather than simply managing the pain.
Speaking at the Migraine Trust International Symposium in London, Prof Lipton said his own research had shown that over the course of just one year, three per cent of headache sufferers progressed to a point where they had headaches most days.
He said these patients with chronic daily headaches were seriously disabled by their attacks.
"Today we must recognise that a subgroup of migraine sufferers have a progressive disorder with attacks that become more frequent and more disabling over time," he added.
As well as his own research, Prof Lipton said he had reached this conclusion after work done at Leiden University in the Netherlands.
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