AIMS To examine the relationship between smoking tobacco and cannabis use among smokers in their mid-to-late teens. DESIGN AND PARTICIPANTS Two qualitative studies in Scotland. One study used semistructured paired interviews involving 99 16-19-year-old smokers, the other comprised eight focus groups involving 46 15-16-year-old smokers. MEASUREMENT The interviews and focus groups explored th...

Although cigarette smoking has substantially declined since the release of the 1964 Surgeon General's report on smoking and health,* disparities in tobacco use exist among racial/ethnic populations (1). Moreover, because estimates of U.S. adult cigarette smoking and tobacco use are usually limited to aggregate racial or ethnic population categories (i.e., non-Hispanic whites [whites]; non-Hispa...

OBJECTIVES Lesbian, gay, and bisexual (LGB) populations exhibit elevated rates of psychiatric disorders compared to heterosexuals, and these disparities emerge early in the life course. We examined the role of exposure to early-life victimization and adversity-including physical and sexual abuse, homelessness, and intimate partner violence-in explaining sexual orientation disparities in mental ...

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...

BACKGROUND A clearer understanding of the basis for the association between cannabis use and psychotic experiences (PEs) is required. Our aim was to examine the extent to which associations between cannabis and cigarette use and PEs are due to confounding. METHOD A cohort study of 1756 adolescents with data on cannabis use, cigarette use and PEs. RESULTS Cannabis use and cigarette use at ag...

INTRODUCTION Some electronic cigarette (ECIG) users attain tobacco cigarette-like plasma nicotine concentrations while others do not. Understanding the factors that influence ECIG aerosol nicotine delivery is relevant to regulation, including product labeling and abuse liability. These factors may include user puff topography, ECIG liquid composition, and ECIG design features. This study addres...

conclusions the prevalence of nicotine use among ferdowsi university students is lower than the prevalence in the general population of iran and the prevalence in other countries. results for cigarette use, 17.6% of respondents reported using cigarettes at least once, 3.7% reported using cigarettes occasionally, and 3.9% reported using cigarettes on a regular basis. for water-pipe use, the corr...

INTRODUCTION Electronic nicotine delivery systems (ENDS), which can be as also called “personal vaporizer”, “vape pen”, “e-waterpipe”, or “e-cigarette”, have become increasingly popular in recent years (1). The supporters of ENDS argue that the users are exposed to lesser chemicals, and these systems help quit smoking, and thus, ENDSs are safer than cigarettes (2). E-cigarette is a product that...

conclusions this method can be appropriate to estimate sensitive issues; however, lack of understanding the method or doubting the confidentiality of the responses can lead to bias in the results. that is to say, if the instructions are introduced better, the level of trusting the method will increase and accordingly more reliable responses can be obtained. more studies under controlled conditi...

INTRODUCTION Subjective craving is a prominent construct in the study of tobacco motivation; yet, the precise measurement of tobacco craving poses several difficulties. A behavioral economic approach to understanding drug motivation imports concepts and methods from economics to improve the assessment of craving. METHODS Using an immersive virtual reality (VR) cue reactivity paradigm, this st...