Although cardiovascular disease remains the leading proximate cause of death in the United States, it is now estimated that obesity may be equivalent to smoking as the leading cause of preventable death in America. In light of these statistics, this reference presents our current understanding of the epidemiology, pathology, and genetics of the obesity epidemic and its relationship to cardiovascular disease. It provides an evidence-based approach to the topic, as well as emphasizes a combined treatment strategy for patients suffering from both obesity and cardiovascular disease.