Recent studies show that different aspects of smoking behavior are associated with the α-5 subunit of the nicotinic acetylcholine receptor (CHRNA5) gene and the gene coding for brain-derived neurotrophic factor (BDNF). This raises the question whether the amount of cigarettes smoked per day has a different genetic background than smoking initiation and what other smoking phenotypes may be relev...

STUDY OBJECTIVE To examine whether young, especially low socioeconomic status (SES), females are influenced by tobacco control policies in terms of smoking initiation and transition to more adverse stages of smoking behaviour from adolescence to young adulthood. DESIGN AND SETTING Data from 2697 young female respondents to the national longitudinal study of adolescent health wave 1 (1994-1995...

BACKGROUND Preventing smoking initiation among adolescents is crucial to reducing tobacco-caused death and disease. This study focuses on the effectiveness of a Web-based computer-tailored smoking prevention intervention aimed at adolescents. OBJECTIVE The intent of the study was to describe the intervention characteristics and to show the effectiveness and results of a randomized controlled ...