Chronic Obstructive Pulmonary Diseases (COPD) are thought to have increased association with Metabolic Syndrome which represents a cluster of factors that increase the risk of cardiovascular diseases and diabetes mellitus. However, the extent of association of COPD with Metabolic Syndrome and its individual components are still an unsettled issue and it is likely to vary from population to population. Under the above context the present book was written to explore the association of Metabolic Syndrome and its components with COPD.