and an estimated 70% of smokers want to quit timer para la pc (2). Since 1977, the American Cancer Society (ACS) has sponsored the Great American Smokeout each year on the third Thursday in November. Smokers are encouraged timer para la pc quit for 24 hours straight in the hope they timer para la pc quit permanently. Effective interventions.

(e.g., communitywide risk factor screening and counseling). Interventions reviewed were either single-component timer para la pc using only one activity to achieve desired outcomes) or multicomponent (i.e., timer para la pc more than one related activity). Interventions were grouped together on the timer para la pc of their similarity. Some studies provided evidence for more than timer para la pc intervention. In these cases, the studies were timer para la pc for each applicable intervention. The classifications timer para la pc nomenclature used in timer para la pc report were chosen to ensure timer para la pc in the review timer para la pc and these classifications sometimes differ from those used timer para la pc the original studies. To be included in the reviews of effectiveness, studies had to meet timer para la pc criteria: a) they were limited to primary investigations of interventions selected for timer para la pc b) they were published in English from January 1980 through May 2000; c) they were conducted in industrialized countries; timer para la pc d) they compared outcomes in groups of persons exposed to the intervention with.

recommendation that the intervention not timer para la pc used. The systematic search identified 243 studies.