OBJECTIVE: To evaluate changes in health-related quality of life (HRQoL) after twelve months of smoking cessation. METHODS: This was a prospective study to evaluate the effectiveness of a smoking cessation program on the quality of life of 60 self-referred subjects, at a public hospital, during the period of August 2006 to December 2007. The program consisted of 2-h group sessions once a week during the first m...