To lose 1 pound of fat in a week, you have to eat 3,500 fewer calories (that is 500 fewer calories a day), or you have to burn off an extra 3,500 calories. You can burn off calories by exercising or just by being more active. (Talk to your family doctor before you begin any type of exercise program.o lose 1 pound of fat in a week, you have to eat 3,500 fewer calories (that is 500 fewer calories a day), or you have to burn off an extra 3,500 calories. You can burn off calories by exercising or just by being more active. (Talk to your family doctor before you begin any type of exercise program.
Washington Dulles International Airport (IATA: IAD, ICAO: KIAD, FAA LID: IAD) is an international airport in Loudoun and Fairfax counties in Virginia, United States, 26 miles (42 km) west of downtown Washington, D.C. The airport serves the BaltimoreâWashington Metropolitan Area, centered on the District of Columbia.
1 The 2004 launch of low-cost carrier Independence Air propelled IAD from being the 24th-busiest airport in the United States to fourth, and one of the top 30 busiest in the world. 2  Independence Air ceased operations in January 2006, and its space in Concourse A was taken five months later by United Express.