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Which country's people have the longest life expectancy and why?

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  • Olemacher, Stephen. "41 nations top U.S. life expectancy." Associated Press. August 12, 2007.
  • Wiseman, Paul. "Fabric of a long life." USA Today. Janurary 3, 2002.
  • "Andorra." CIA World Fact Book. November 15, 2007. #People
  • "At a glance: Andorra." UNICEF.
  • "Country health system fact sheet: Swaziland." World Health Organization.
  • "Highlights on health: Andorra 2005." World Health Organization. March 28, 2006.
  • "U.S. life expectancy hits new high." Medline Plus. September 12, 2007.