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.
Fairfax County, Virginia (VA) County population in 2014: 1,137,538 (99% urban, 1% rural); it was 969,749 in 2000. County owner-occupied with a mortgage or a loan houses and condos in 2010: 230,326. County owner-occupied free and clear houses and condos in 2010: 41,907.