has subject area Adolescent Adult Age Distribution Aged Aged, 80 and over Asthma Chronic Disease Disabled Persons Female Global Burden of Disease Global Health Humans Life Expectancy Male Middle Aged Occupational Diseases Occupational Exposure Pneumoconiosis Pulmonary Disease, Chronic Obstructive Quality-Adjusted Life Years Respiration Disorders Risk Assessment Risk Factors Sex Distribution Socioeconomic Factors Young Adult