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 (/ËfÉr.faeks/ FÃ¦KS-ferr), faks officially The city Of, fairfax is an independent city in The commonwealth Of. Virginia as of, 2014 the population 24,483. 24483 it is the county seat Of Fairfax. countyairfax 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.