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.
Washington County is a county located in the Commonwealth of Virginia. As of the 2010 census, the population was 54,876. Its county seat is Abingdon. Washington County is part of the KingsportâBristolâBristol, TN-VA Metropolitan Statistical Area, which is a component of the Johnson CityâKingsportâBristol, TN-VA Combined Statistical Area, commonly known as the Tri-Cities region.