The California Tobacco Control Program: introduction to the 20-year retrospective

Tobacco Control Program (CTCP) has served the people of California with a comprehensive, integrated approach to tobacco use prevention and control that has demonstrated effectiveness and impact. Moreover, the CTCP has contrib-uted directly and indirectly to the success of other state, federal and international efforts to control what continues to be a leading preventable cause of death and disability worldwide. This Tobacco Control supplement presents a review of the history and key features of the CTCP, and illustrates selected outcomes achieved by the programme. These articles build on the key papers already published in the scientific literature, as well as other accessible documents (see