This text investigates how geographical variations in disease patterns serve as a primary indicator for identifying environmental and lifestyle factors in the etiology of non-infectious conditions. Authors D. P. Burkitt and M. S. R. Hutt utilize their clinical expertise to synthesize global epidemiological data, arguing that a comparative analysis between developed and developing nations is necessary to understand the root causes of chronic illnesses like cancer and coronary heart disease. The work provides a framework for integrating medical data with environmental variables to improve public health outcomes.

Experts recognize this work as a foundational text for understanding the intersection of geography and chronic disease epidemiology. Readers frequently note the academic density of the prose, which is tailored specifically for physicians, public health specialists, and social scientists.