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Claudio Angelo
No abstract text is available yet for this article.
March 15, 2018: Nature
Loren Collingwood, Ben Gonzalez O'Brien, Sarah Dreier
BACKGROUND: In 2012, Washington and Colorado became the first U.S. states to legalise recreational marijuana. By 2016, eight states and the District of Columbia had legalised recreational marijuana, with more expected to consider it in 2018. Despite this trend, little academic research explains what drives ballot-initiative vote choice on marijuana legalisation. METHODS: This paper uses a pre-election random sample voter survey to examine the individual characteristics that correlated with Washington voters' support for legal recreational marijuana...
March 11, 2018: International Journal on Drug Policy
Kelly Oliva Jorge, Raquel Conceição Ferreira, Efigênia Ferreira E Ferreira, Ichiro Kawachi, Patrícia Maria Zarzar, Isabela Almeida Pordeus
The aim of the present cross-sectional study was to examine illicit drug use and associations with socioeconomic factors as well as peer group influence among Brazilian adolescents aged 15 to 19 years. Two-stage cluster sampling was adopted, involving the random selection of public and private schools from the nine administrative districts of a Brazilian state capital and the random selection of classrooms at each school. Illicit drug use was the outcome and was measured through the question: "Have you ever used any illicit drugs (marijuana, inhalants, hypnotics, cocaine/crack, hallucinogens, amphetamines and opioids) in your life?"...
March 8, 2018: Cadernos de Saúde Pública
Michelle Tuten, Heather Fitzsimons, Martin Hochheimer, Hendree E Jones, Margaret S Chisolm
OBJECTIVES: This study examined the impact of early patient response on treatment utilization and substance use among pregnant participants enrolled in substance use disorder (SUD) treatment. METHODS: Treatment responders (TRs) and treatment nonresponders (TNRs) were compared on pretreatment and treatment measures. Regression models predicted treatment utilization and substance use. RESULTS: TR participants attended more treatment and had lower rates of substance use relative to TNR participants...
March 13, 2018: Journal of Addiction Medicine
J Matthew Webster, Megan F Dickson, Michele Staton
OBJECTIVE: Although driving under the influence (DUI) arrests occur at higher rates in rural areas and previous studies have shown more extensive drug use histories, little is known about how this relates to the prevalence and frequency of drugged driving. The present study examined drug use and drugged driving patterns among a sample of rural DUI offenders. METHODS: Convicted, rural DUI offenders (N = 118) completed a one-time, confidential research interview focused on drug use and drugged driving...
March 14, 2018: Traffic Injury Prevention
Ersilia M DeFilippis, Avinainder Singh, Sanjay Divakaran, Ankur Gupta, Bradley L Collins, David Biery, Arman Qamar, Amber Fatima, Mattheus Ramsis, Daniel Pipilas, Roxanna Rajabi, Monica Eng, Jon Hainer, Josh Klein, James L Januzzi, Khurram Nasir, Marcelo F Di Carli, Deepak L Bhatt, Ron Blankstein
BACKGROUND: Substance abuse is increasingly prevalent among young adults but data on cardiovascular outcomes remain limited. OBJECTIVES: Our objective was to assess the prevalence of cocaine and marijuana use in adults with their first myocardial infarction (MI) at ≤50 years and determine its association with long-term outcomes. METHODS: We retrospectively analyzed records of patients presenting with a Type 1 MI at ≤50 years at two academic hospitals from 2000-2016...
March 5, 2018: Journal of the American College of Cardiology
Shenglong Zou, Ujendra Kumar
The biological effects of cannabinoids, the major constituents of the ancient medicinal plant Cannabis sativa (marijuana) are mediated by two members of the G-protein coupled receptor family, cannabinoid receptors 1 (CB1R) and 2. The CB1R is the prominent subtype in the central nervous system (CNS) and has drawn great attention as a potential therapeutic avenue in several pathological conditions, including neuropsychological disorders and neurodegenerative diseases. Furthermore, cannabinoids also modulate signal transduction pathways and exert profound effects at peripheral sites...
March 13, 2018: International Journal of Molecular Sciences
Qinghua Yang, Angeline Sangalang, Molly Rooney, Erin Maloney, Sherry Emery, Joseph N Cappella
The purpose of the study is to investigate how vaping marijuana, a novel but emerging risky health behavior, is portrayed on YouTube, and how the content and features of these YouTube videos influence their popularity and retransmission. A content analysis of vaping marijuana YouTube videos published between July 2014 to June 2015 (n = 214) was conducted. Video genre, valence, promotional and warning arguments, emotional appeals, message sensation value, presence of misinformation and misleading information, and user-generated statistics, including number of views, comments, shares, likes and dislikes, were coded...
March 13, 2018: Journal of Health Communication
David R Strong, Mark G Myers, Kim Pulvers, Madison Noble, Kristin Brikmanis, Neal Doran
BACKGROUND: With an increase in marijuana use among adults in the United States (US), understanding the potential impact of marijuana use on tobacco use and associated behavioral and health consequences, including respiratory conditions, is necessary. METHOD: Survey responses from Wave 1 of the nationally representative Population Assessment of Tobacco and Health (PATH) Study were used to assess tobacco use and marijuana use among non-current tobacco users (n = 17,952) and current established tobacco-users classified as: cigarette only users (n = 8689), e-cigarette only users (n = 437), cigar only (traditional, cigarillo, or filtered) users (n = 706), hookah only users (n = 461), smokeless tobacco only users (n = 971), cigarette + e-cigarette users (n = 709), and users of multiple tobacco products (n = 2314)...
March 3, 2018: Drug and Alcohol Dependence
Ellen L Vaughan, Lauren A Wright, Miguel Ángel Cano, Marcel A de Dios
This study addresses gaps in the literature by testing gender differences in the associations between substance use norms and substance use among Latino college students. Secondary data analysis was conducted using data from the 2009 National College Health Assessment. Participants selected for this study were 4,336 Latino undergraduates. Linear mixed modeling was used to test gender as a moderator of the relationship between alcohol use norms and alcohol use as well as marijuana use norms and marijuana use...
March 12, 2018: Substance Use & Misuse
Aaron L Sarvet, Melanie M Wall, Katherine M Keyes, Mark Olfson, Magdalena Cerdá, Deborah S Hasin
BACKGROUND: Self-medication with drugs or alcohol is commonly reported among adults with mood or anxiety disorders, and increases the risk of developing substance use disorders. Medical marijuana laws (MML) may be associated with greater acceptance of the therapeutic value of marijuana, leading individuals to self-medicate. METHODS: The study utilized data from Wave 2 of the National Epidemiologic Survey on Alcohol and Related Conditions (2004-2005). Participants were sampled from households in the general population and included adults with a mood or anxiety disorder in the past 12 months (n = 7418), and the subset of those who used marijuana and no other drug (n = 314)...
March 2, 2018: Drug and Alcohol Dependence
Raul Caetano, Patrice A C Vaeth, Glorisa Canino
BACKGROUND: Data on the prevalence and correlates of illegal drug use in Puerto Rico are now almost 20 years old. OBJECTIVES: This study sought to estimate the 12-month prevalence of illegal and non-prescribed medical drug use in San Juan, Puerto Rico and identify sociodemographic correlates of use. METHODS: Data are from a random household sample of 1510 individuals, 18-64 years of age in San Juan, Puerto Rico. RESULTS: The 12-month prevalence of any illegal or non-prescribed drug use was 16...
February 21, 2018: Drug and Alcohol Dependence
Brenna L Greenfield, Kamilla L Venner, J Scott Tonigan, Monika Honeyestewa, Homer Hubbell, Dorothea Bluehorse
INTRODUCTION: College attendance is associated with an increased risk for substance use yet we know little about substance use among Native American college students and its regional variation. This study examined alcohol, tobacco, and drug use and their relation to gender, institution, age, and cultural involvement among Native American college students in the Southwest. METHODS: Native American community college and university students in a large Southwest city (N = 347) completed an online survey about past-month and lifetime substance use and involvement in cultural activities...
February 27, 2018: Addictive Behaviors
Amy L Patton, Kathryn A Seely, Azure L Yarbrough, William Fantegrossi, Laura P James, Keith R McCain, Ryoichi Fujiwara, Paul L Prather, Jeffery H Moran, Anna Radominska-Pandya
Synthetic cannabinoids (SCBs), synonymous with 'K2', 'Spice' or 'synthetic marijuana', are psychoactive drugs of abuse that frequently result in clinical effects and toxicity more severe than those classically associated with Δ9 -tetrahydrocannabinol such as extreme agitation, hallucinations, supraventricular tachycardia, syncope, and seizures. JWH-018 is one of the earliest compounds identified in various SCB products, and our laboratory previously demonstrated that JWH-018 undergoes extensive metabolism by cytochromes P450 (P450), binds to, and activates cannabinoid receptors (CBRs)...
March 6, 2018: Biochemical and Biophysical Research Communications
Ana P Ortiz, Daisy González, Jeslie Ramos, Cristina Muñoz, Juan Carlos Reyes, Cynthia M Pérez
BACKGROUND: Despite limited data, research suggests that marijuana use is associated with oral HPV infection and periodontitis, two potential oropharyngeal cancer risk factors. We assessed these associations in a Hispanic adult population in Puerto Rico. METHODS: A cross-sectional study of 735 adults assessed marijuana use, determined through an audio computer-assisted self-interview, and periodontitis and self-collection of oral HPV samples following the National Health and Nutrition Examination Survey methodology...
February 22, 2018: Journal of Periodontology
Kesheng Wang, Ying Liu, Youssoufou Ouedraogo, Nianyang Wang, Xin Xie, Chun Xu, Xingguang Luo
Early alcohol, tobacco and drug use prior to 18 years old are comorbid and correlated. This study included 6239 adults with major depressive disorder (MDD) in the past year and 72,010 controls from the combined data of 2013 and 2014 National Survey on Drug Use and Health (NSDUH). To deal with multicollinearity existing among 17 variables related to early alcohol, tobacco and drug use prior to 18 years old, we used principal component analysis (PCA) to infer PC scores and then use weighted multiple logistic regression analyses to estimate the associations of potential factors and PC scores with MDD...
February 24, 2018: Journal of Psychiatric Research
Emily Vraga, Teresa Myers, John Kotcher, Lindsey Beall, Ed Maibach
Many scientists communicate with the public about risks associated with scientific issues, but such communication may have unintended consequences for how the public views the political orientations and the credibility of the communicating scientist. We explore this possibility using an experiment with a nationally representative sample of Americans in the fall of 2015. We find that risk communication on controversial scientific issues sometimes influences perceptions of the political orientations and credibility of the communicating scientist when the scientist addresses the risks of issues associated with conservative or liberal groups...
February 2018: Royal Society Open Science
Bin Yu, Xinguang Chen, Yan Wang
BACKGROUND: Marijuana and tobacco are considered two closely related substances. It is of great significance to understand the mutual impact of marijuana and cigarette use when more states in the US have legalized marijuana use. OBJECTIVE: This study aims to investigate the transitions between marijuana and cigarette use among adolescents and emerging adults. METHOD: Guided by the probabilistic discrete events systems (PDES) theory, a five-stage model with 21 transition paths was constructed to quantify dynamic transitions between marijuana and cigarette use...
March 7, 2018: American Journal of Drug and Alcohol Abuse
Xinguang Chen, Ding-Geng Chen, Bin Yu
No abstract text is available yet for this article.
April 2018: American Journal of Public Health
Barbara L F Kaplan
Cannabinoid compounds refer to a group of more than 60 plant-derived compounds in Cannabis sativa, more commonly known as marijuana. Exposure to marijuana and cannabinoid compounds has been increasing due to increased societal acceptance for both recreational and possible medical use. Cannabinoid compounds suppress immune function, and while this could compromise one's ability to fight infections, immune suppression is the desired effect for therapies for autoimmune diseases. It is critical, therefore, to understand the effects and mechanisms by which cannabinoid compounds alter immune function, especially immune responses induced in autoimmune disease...
February 21, 2018: Current Protocols in Toxicology
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