November 5, 2008

Migraines and Chocolate

One of the first substances that springs to mind when you think of food allergies provoking migraines is chocolate. The correlation between this guilty pleasure and the excruciating pain of migraine headaches was made during a large study the results of which were published in Lancet(1).Chocolate is one of the few foods which has been investigated in double blind controlled studies, to determine how much of a trigger it really is - unlike many other food products, which have merely been included as part of larger studies using a wide range of possibilities.These double blind, focused studies, apparently left ambiguity on the subject. A 1974 study undertaken at the London Hospital apparently concluded that whilst chocolate may be a trigger, it wasn’t a significant one(2). This was a full five years prior to the Lancet study, which ranked chocolate near the top of the list along with other triggers, considered predominantly to cause migraines.Another study done in 1997 also used a double blind protocol and placebo to try and pinpoint chocolate as an aggressive migraine trigger - again with inconclusive results. The study, carried out at the University of Pittsburgh, Pain Evaluation and Treatment Institute, concluded there was no difference […]

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