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CHATHAM COUNTY, N.C. -
What you don't know about your family's health history could be important information for your doctor. Yahoo reports on a free new service from the federal government to help you compile an electronic family health tree.
This article is a reference to an external source. For more information, or to view the story in it's entirety please visit http://news.yahoo.com/s/ap/20090112/ap_on_he_me/med_healthbeat_family_health.
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