A hole and the head

Science News, July 28, 2007 by William A. Stephens

"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 an earlier Science News article, "A Gasping Heart" (SN: 4/7/07, p. 218), 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.

COPYRIGHT 2007 Science Service, Inc.
COPYRIGHT 2008 Gale, Cengage Learning
 

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