PURPOSE: The United States Centers for Disease Control and Prevention monitors health-
risk behaviors of adolescents in United States, which include (1) violence;(2) tobacco use;(3) …

Adolescents are stereotypically viewed as risk-takers (“stereotypical risk-takers”) in science,
mainstream media, fictional literature and in everyday life. However, increasing research …

Maquetación 1 Page 1 Intervención Psicosocial Vol. 18, n. 3, 2009 - Págs. 199-212 Copyright
2009 by the Colegio Oficial de Psicólogos de Madrid ISSN: 1132-0559 La Edad de Inicio en el …

JIA is the most common chronic inflammatory arthritis in children and young people. More
than one-third of individuals have persistent active disease into adulthood. In RA, there has …

Objectives To determine the prevalence and associated factors of smoking in a Chinese
adolescent population. Setting A multistage, stratified cluster sampling technique was used …

Aims This study aims to:(i) explore the relations between smoking initiation and different
profiles of academic achievement trajectories in early to mid‐adolescence; and (ii) to …

Background: Tobacco use in youths is a major public health challenge globally, and
approaches to the challenge have not been sufficiently addressed. The existing policies for …

Highlights•One out of every six or seven students was smoking.•Most of the students who
smoke had begun smoking due to curiosity and negative influence of peers and/or family …

Recent studies strongly support an association of the nicotinic acetylcholine receptor gene
cluster CHRNA5–CHRNA3–CHRNB4 with nicotine dependence (ND). However, the precise …

Background Knowledge of the correlates of smoking is a first step to successful prevention
interventions. The social norms theory hypothesises that students' smoking behaviour is …