Chronic Obstructive Pulmonary Disease (COPD) is now the main cause of disability in developed world. The advance COPD related to increasing breathlessness, disability, and periodic hospitalizations. An aging population world cigarette consumption developing countries expand global impact this condition. disorder associated with leads a decrease physical activity failure functional independence....

Supplements for smoking-related lung diseases are considered as nonfood products and thought to improve health. Multivitamins antioxidants the most commonly dietary supplements used by cancer asthma patients. There currently no clear regulatory guidelines that include their effect on patients, particularly in smokers. Several countries have taken steps overcome challenges regulating marketplace...