BACKGROUND Longitudinal research is needed to identify predictors of continued electronic cigarette (e-cigarette) use among youth. We expected that certain reasons for first trying e-cigarettes would predict continued use over time (eg, good flavors, friends use), whereas other reasons would not predict continued use (eg, curiosity). METHODS Longitudinal surveys from middle and high school st...

Introduction: The prevalence of e-cigarette smoking is increasing. Many people still have a poor understanding the risks e-cigarettes. purpose this study to examine sociodemographic factors associated with knowledge about e-cigarettes focus on perception that are less dangerous than regular cigarettes. Methods: Multivariable logistic regressions utilised estimate effects likelihood having These...

BACKGROUND Electronic cigarettes (e-cigarettes) are a technology that has been touted as a safe and effective alternative to traditional cigarettes. There is, however, a paucity of literature showing the adverse outcomes of e-cigarettes and a correlation with acute eosinophilic pneumonia (AEP). OBJECTIVE To present a possible association between e-cigarettes and AEP. CASE REPORT A 20-year-o...

OBJECTIVE To compare the nicotine content of 12 unfiltered brands of bidi cigarettes (hand rolled cigarettes imported from India) with 8 popular brands of filtered and unfiltered US and conventional cigarettes from India. MAIN OUTCOME MEASURES Identical laboratory procedures were used to determine nicotine content (in duplicate) and physical characteristics. RESULTS The nicotine concentrati...

OBJECTIVE To identify the key parameters that influence smoke yields from roll-your-own (RYO) cigarettes and to compare smoke yields of cigarettes made under laboratory conditions with those made by habitual RYO consumers. DESIGN AND SETTING One-way parametric variations in the laboratory-based production of RYO cigarettes complemented by a consumer survey conducted in a busy street at Romfor...

BACKGROUND Understanding the different ways underage youth access tobacco is required in order to develop more effective tobacco access restrictions. The purpose of this study was to examine characteristics that predict whether underage smoking youth buy their own cigarettes, buy their cigarettes from friends, or get someone else to buy their cigarettes. METHODS Logistic regression analyses w...

BACKGROUND E-cigarettes have generated controversy in the tobacco control field similar to that of Swedish snus, which came to the U.S. market six years earlier. Some argue that e-cigarettes have great potential to help smokers quit regular cigarettes while others contend they should be banned for lack of safety and efficacy data. This study examined population data from the U.S. METHODS A U....

PURPOSE As elsewhere, in South Korea electronic cigarettes (e-cigarettes) are marketed, in part, as a smoking cessation aid. We assessed the prevalence of e-cigarette use among Korean adolescents and the relationship between e-cigarette use and current (past 30-day) smoking, cigarettes/day, attempts to quit conventional cigarettes, and ceasing to use cigarettes. METHODS Data from the 2011 Kor...

INTRODUCTION Media presentations of e-cigarettes may affect perception of the devices which may influence use. OBJECTIVES To assess in a cohort of past-year smokers (1) if perceived harm of e-cigarettes relative to cigarettes changed over time, (2) predictors of perceived relative harm, (3) if perceived relative harm predicted subsequent e-cigarette use among never-users. METHODS Longitudin...

The electronic nicotine delivery system, also known as the electronic cigarette, is generating considerable controversy, not only in the general population but also among health professionals. Smokers the world over have been increasingly using electronic cigarettes as an aid to smoking cessation and as a substitute for conventional cigarettes. There are few available data regarding the safety ...