Does Gene Show Link Between Migraine And Stroke Or Heart Attacks?
New research looks at whether a gene variant may affect the link between migraine and stroke or heart attacks. The study is published in the 17 February 2009, print issue of Neurology(R), the medical journal of the American Academy of Neurology. The study involved 25,000 women who answered a questionnaire about their history of migraines and migraines with aura. Aura is usually described as visual disturbances, such as flashing lights or geometric patterns. The women were tested for a genetic variant called the angiotensin-converting enzyme (ACE) D/I polymorphism. A total of 4,577 women reported a history of migraine and of those, 1,275 had migraine with aura. Twelve years after the start of the study, 625 strokes and heart attacks were reported. The study did not find a link between the gene variant and migraine, migraine with aura, stroke or heart attacks. However, women who had migraine with aura and also were carriers of certain genotypes, called the DD and the DI genotypes, had do