background: adolescent tobacco use remains a major public health priority to reduce the prevalence of tobacco use in community. the aim of this study was determining the association of the transitions in smoking stages with prevalence of cigarette smoking in the classes and schools in adolescents of tabriz city (northwest of iran). methods: fifty-six high schools were randomly selected, and 490...

A role for alcohol consumption in lung cancer etiology has been suggested in some studies, but this possible relationship has been often regarded with skepticism, with any indication of an association being attributed to confounding by cigarette smoking. The purpose of this work was to review the epidemiological evidence for an association of alcohol and lung cancer and to identify gaps in that...

Background: The present study aimed to evaluate the prevalence of substance abuse among students of selected schools of Tehran University of Medical Sciences, Iran.Methods: This was a cross-sectional study among students in five schools of Tehran University of Medical Sciences in 2014. Data collection was conducted using a questionnaire which was designed by the researcher. Questionnaires were ...

conclusions although the prevalence of regular smokers among health professions students of mums was lower than general populations, but this level is still alarming and points at the rapid growth of cigarette use, especially among female students. medical schools should work harder to tackle this phenomenon and address it more efficiently in their curricula. results among the students, 18.3% r...

background: cigarette smoking is one of the most important health‑related risk factors in terms of morbidity and mortality. in this study, we introduced a new method for deriving the transitional probabilities of smoking stages from a cross‑sectional study and simulated a long‑term smoking behavior for adolescents. methods: in this study in 2010, a total of 4853 high school students were random...