A few years back, many clinicians had a negative view regarding the cure of Chronic Obstructive Pulmonary Disease (COPD), which has changed over the due course of time. This book on COPD is a medium to present researches and theories on this disease from experts from around the globe. It presents the readers with an array of topics related to treatment and care of patients with COPD challenges, the entire range of respiratory medicine, testing the limits of pulmonary function (and exercise) testing, bronchology, chest physiotherapy, thoracic surgery and radiologic imaging. Also, valuable inferences from specialty fields such as cardiology, geriatric medicine and neuropsychiatry are often required for comprehensive management of COPD. The recent researches regarding COPD hold bright future prospects.