People in these countries live, on average, almost 50 years less than those living in countries with the highest life expectancy. Huge problems like HIV and violence impact young people and drive the life expectancy down.
By Mark Stibich, Ph.D., About.com Guide
Updated June 15, 2007
About.com Health's Disease and Condition content is reviewed by our Medical Review Board
Learn how to save money on medications with these recommendations. More >
Keep yourself, and your family, happy and healthy this season. More >
©2009 About.com, a part of The New York Times Company.
All rights reserved.