Association between lifestyle factors and headache.

J Headache Pain · 2011 · PMC3072498 · PMID 21222138

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a significant trendno p-value reported

found a significant trend of decreasing prevalence of migraine with increasing amounts of alcohol consumption among 51,383 participants of the Head-HUNT Study.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.