The aim of this study was to estimate the prevalence tobacco and cannabis use, their relationship, in a cohort adolescents from Central Catalonia period 2012–2020. had prospective longitudinal design with 828 students 4th year Compulsory Secondary Education. In 2012, answered health behaviour survey; 2016, 342; 2020, 265. dependent variables were: exclusive last month use; polydrug use cannabis...

While many studies have examined the relationship between alcohol and violence in adult populations, little research has examined this relationship in adolescent populations. Using a large nationally representative sample of older adolescents from the Monitoring the Future Survey, this article found heavy alcohol and polydrug use to increase the likelihood of violent offending even after contro...

This study was designed to evaluate the efficacy of the HealthWise South Africa HIV and substance abuse prevention program at impacting adolescents' polydrug use and sexual risk behaviors. HealthWise is a school-based intervention designed to promote social-emotional skills, increase knowledge and refusal skills relevant to substance use and sexual behaviors, and encourage healthy free time act...

OBJECTIVE Previous research suggests that ecstasy users are impaired in processing visuospatial information. However, for the most part, the deficits observed appear to involve the recall and recognition of complex visual and geometric patterns. The present research sought to determine whether ecstasy use was associated with deficits in serial spatial recall and visuospatial working memory (VSW...

BACKGROUND Polydrug abuse is a known problem among opioid-dependent patients receiving opioid maintenance treatment (OMT). However, improved laboratory diagnostics is required to reveal polydrug abuse in its current scope. Furthermore, there are few studies focusing on the relationship between polydrug abuse and adequacy of the dose of OMT medicine. This study aimed to evaluate the polydrug abu...

The aim of this study is to assess the association linking employment experience with alcohol, tobacco, and betel nut involvement among youth in Taiwan. In 2004, an outreach program was conducted during weekdays to recruit youth sample in seven major geographic regions. A total of 5886 youth aged 12-18 years drawn from 26 cities or towns were assessed by a two-page anonymous self-administered q...

The abuse of legal and illegal drugs is a complex and constantly evolving phenomenon. In recent years the polydrug use, term that refers to the use of two or more psychoactive drugs in combination to achieve a particular effect, has been on the rise. In many cases, one drug (amphetamine, cocaine, or heroin) is used as a base, with additional drugs being added to compensate for the side effects ...