Ivanhoe's Medical Breakthroughs -Migraine Cause Uncovered

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Migraine Cause Uncovered April 23, 2001 (Ivanhoe Newswire) -- New research out of England may have found the cause of some severe migraine headaches. The findings, reported in New Scientist, say the problem may be related to holes in the heart. More than 25 percent of all people have an opening in the wall of the heart that separates the upper chambers of the heart. The hole typically closes as soon as a baby takes his first breath, but in some individuals, it has been found to not close completely. With holes remaining, small amounts of blood are able to travel through the veins without going to the lungs. This is important because any clots or air bubbles that may be there are generally filtered out by the lungs, and by not traveling through there, these clots remain to travel throughout the body, increasing a person's risk for stroke. In addition, researchers say the lungs also filter out chemicals that can cause blood vessels to expand and contract. This, they say, may be behind severe migraines. Researchers say the next step of their research will be to see how many people who suffer migraines also have the hole in their heart. Copyright © 2001 Ivanhoe Broadcast News, Inc.

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