“Migraines in men linked to heart attack risks” (SN: 5/26/07, p. 333)
states that although men who suffer from migraines are more likely to experience heart attacks, scientists have failed to find a biological mechanism linking them. Such a link seems to be suggested in this earlier
Science News
article, which states that a patent foramen ovale is linked to migraines and that that heart defect, combined with sleep apnea, can cause oxygen desaturation, which can be a factor in cardiovascular disease.
William A. Stephens Earlysville, Va.
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