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Learn More
In Learn More the National Geographic magazine team shares some of its best sources and other information to expand your knowledge of our featured subjects. Special thanks to the Research Division.

Related Links

American Heart Association
Log on to this website and learn about the risks, symptoms, treatment, and management of cardiovascular diseases and conditions such as heart attack, arrythmia, and heart failure.

Cleveland Clinic Heart and Vascular Institute
Have a question you would like to ask a heart doctor, want to learn what clinical trials are being conducted at this outstanding heart center, or just curious about how an angioplasty is performed? Get your answers at this website.

MedlinePlus provides authoritative information on a wide variety of health topics, an illustrated medical encyclopedia, over 165 interactive tutorials, and postings of recent press releases from health organizations.


American Heart Association. Heart Disease and Stroke Statistics: 2006 Update. American Heart Association, 2006.

DeBakey, Michael E., and Antonio M. Gotto. The New Living Heart. Adams Media Corporation, 1997.

Gersh, Bernard J., ed. Mayo Clinic Heart Book. William Morrow, 2000.

Libby, Peter. “Atherosclerosis: The New View.” Scientific American, May 2002 (46-55).

Rimmerman, Curtis M. Heart Attack: A Cleveland Clinic Guide. Cleveland Clinic Press, 2006.

NGS Resources

Johnson, Rebecca L. From Cells to Systems. National Geographic Books, 2006.

Richards, Douglas E. “Your Amazing Heart.” National Geographic Kids (November 2006), 28-29.

Finton, Nancy. “The Beat Goes On.” National Geographic Explorer! (January/February 2003), 4-8.

Nuland, Sherwin B., and others. Incredible Voyage: Exploring the Human Body. National Geographic Books, 1998.

Sochurek, Howard. “Medicine’s New Vision.” National Geographic (January 1987), 2-41.

Thomas, Lewis, and others. The Incredible Machine. National Geographic Books, 1986.