Smoking: quitting is key
Nov. 16 is the American Cancer Society’s “Great American Smoke Out,” a day that encourages smokers to quit. Quitting smoking can cause positive health effects within minutes, such as lowered heart rate and blood pressure. (U.S. Air Force photo by Airman 1st Class William Tracy)

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Tags: Smoking
Photo by: Airman 1st Class William Tracy |  VIRIN: 171114-F-NM764-0965.JPG