'Higher risk of strokes' for hay fever sufferers - The Observer 25th May 2008

Having hay fever significantly increases the risk of a stroke, especially if sufferers use antihistamines, according to research. Dr Eric Matheson and colleagues from the Medical University of South Carolina said in the Journal of the American Board of Family Medicine that their findings 'indicate that hay fever is an independent risk factor for first stroke. Patients with hay fever who use antihistamines may be at particularly great risk. Hay fever, previously viewed as a benign condition, may be a contributor to cerebrovascular risk.'

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