Health and infectious diseases have shaped the history of urbanization, but it is cities that will define the future of global health.

Population growth and aging are fueling a spectacular rise in noncommunicable diseases, such as cancers and cardiovascular diseases, in poor countries that are ill-prepared to handle them. 

An in-depth, multimedia look at the causes and consequences of the global economic crisis that seeks to unravel the questions surrounding the downturn and shed light on its policy implications, drawi…