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.
As of 2014, the population was 24,483. It is the county seat of Fairfax County. Although it is an enclave of Fairfax County, the two are separate political entities. Situated in Northern Virginia, Fairfax is part of the Washington-Arlington-Alexandria, DC-VA-MD-WV Metropolitan Statistical Area.Fairfax is 16 miles (25 kilometers) southwest of Washington, D.C. Washington Metro's Orange Line serves Fairfax through its Vienna Station.airfax County's Government Center is west of the City of Fairfax. Fairfax County contains an exclave located in the central area of the City of Fairfax, in which many county facilities (including the courthouse and jail) are located.