Sources (1) CNN (read)

(2) FBI (read)

(3) National Center for Statistics and Analysis (read)

(4) PBS (read)

(5) Washington Times (read)

(6) American Foundation for Suicide Prevention (read)

(7) American Cancer Society (read)

(8) National Academy of Sciences' Institute of Medicine (read)

(9) Center for Disease Control (CDC), NCHS Leading Causes of Death (read)

(10) National Cancer Institute (read)

(11) CDC, Smoking Attributable Deaths (read)

(12) CDC, Cigarette Smoking-Related Mortality (read)