Emphysema Causes. Cigarette smoking is by far the most dangerous behavior that causes people to develop emphysema, and it is also the most preventable cause. Other risk factors include a deficiency of an enzyme called alpha-1-antitrypsin, air pollution, airway reactivity, heredity, male sex, and age. The importance of cigarette smoking as a risk factor for developing emphysema cannot be overemphasized. Cigarette smoke contributes to this disease process in two ways.
Northern Virginia map - Virginia county, city, map with roads. Arlington County, Alexandria City. Arlington and the city of Alexandria Virginia are close to Washington DC, inside the beltway.
West Union, incorporated July 20, 1881, is a town in Doddridge County, West Virginia, USA. The population was 825 at the 2010 census. It is the county seat of Doddridge County. The mayor is Joseph Thorpe as of 2013. The town is located along Middle Island Creek at the junction of U.S. Route 50 and West Virginia Route 18; the North Bend Rail Trail also passes through the town.