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NYU Study Identifies Teens At-Risk For Synthetic Marijuana Use

February 28, 2015

One out of ten high school seniors used synthetic cannabinoids in the last 12 months

Synthetic cannabinoids (“synthetic marijuana”), with names like Spice, K2, Scooby Doo and hundreds of others, are often sold as a “legal” alternative to marijuana. Often perceived as a safe legal alternative to illicit drug use, synthetic marijuana use was associated with 11,561 reports of poisonings in the United States between January 2009 and April 2012.

Popular among teens, in 2011, synthetic marijuana was used by more than one out of ten (11.4%) high school seniors in the US, making it the most commonly used drug after real marijuana.

A new study by researchers affiliated with New York University's Center for Drug Use and HIV Research (CDUHR), is now online ahead of print in Drug and Alcohol Dependence and it is one of the first national studies to examine risk factors for use of synthetic marijuana among a large, nationally representative sample of teens.

“Use began to decrease last year, but the drug still poses a substantial threat, and research was needed to determine which teens are at highest risk for use,” said Joseph J. Palamar, PhD, MPH, a CDUHR affiliated researcher and an assistant professor of Population Health at NYU Langone Medical Center (NYULMC).

The study, “Synthetic Cannabinoid Use in a Nationally Representative Sample of US High School Seniors,” used data from Monitoring the Future (MTF), a nationwide ongoing annual study of the behaviors, attitudes, and values of American secondary school students. The MTF survey is administered in approximately 130 public and private schools throughout 48 states in the US. Roughly 15,000 high school seniors are assessed annually. This study examined data from 11,863 students who were asked a variety of questions to gauge their use of natural and synthetic marijuana from 2011 to 2013.

The researchers found that race and sex were significantly correlated with synthetic marijuana use. Compared to females, males were consistently at greater risk for synthetic marijuana use and more frequent use. Black students were 42% less likely to report synthetic marijuana use and 36% less likely to report more frequent use than white students.

“However, when we factor in other drug use, we find that identifying as a racial minority no longer remains a protective factor,” explained Dr. Palamar. “The data also showed that students who go out four to seven nights per week for fun were at high risk for experimenting and for continuing use. More research is needed, but this may be due to increased exposure to others who use these products during these nightly activities.”

The researchers also found that students who engaged in the use of other substances were more likely to use synthetic marijuana. Lifetime use of alcohol nearly doubled the odds for use. Cigarette smoking increased risk for synthetic marijuana use, particularly regular smoking either in the past or in the present, both of which more than doubled the likelihood of use. Reporting lifetime use of any illicit drug other than natural marijuana more than doubled the odds for use.

Most importantly, frequency of lifetime marijuana use was the strongest correlate, with more frequent use further increasing odds of synthetic marijuana use.

“Our main finding was that very few never-users of natural marijuana have ever tried synthetic marijuana,” said Dr. Palamar. “Only 0.5% of non-marijuana users reported use. Although we were unable to determine whether use of natural marijuana tended to occur before synthetic marijuana, results do suggest that it is mainly marijuana users who are at greatest risk for use.”

Dr. Palamar posits that it is likely that many of these synthetic marijuana users resort to trying this “legal,” but more dangerous version of marijuana in order to avoid possible arrest, detection on drug screenings, or the stigma associated with being an illicit drug user.

The results from this study can be used to inform national and local efforts to prevent use and adverse consequences resulting from use. According to the researchers, further investigation is needed to determine if synthetic marijuana serves as a gateway drug to natural marijuana and other illicit drugs. The researchers also mention that research is needed to determine whether teens are still turning to this more dangerous form of marijuana in states where recreational marijuana use is now legal for adults to use.

Researcher Affiliations: Joseph J. Palamar, PhD--NYULMC, Department of Population Health; NYU CDUHR; Patricia Acosta, BA--NYULMC, Departments of Population Health and Child and Adolescent Psychiatry.

Declaration of Interest: The authors declare no conflict of interest.

Acknowledgements: The authors would like to thank the principal investigators of Monitoring the Future (PIs: Johnston, Bachman, O'Malley, and Schulenberg) at The University of Michigan, Institute for Social Research, Survey Research Center, and the Inter-university Consortium for Political and Social Research for providing access to these data (http://www.icpsr.umich.edu/icpsrweb/landing.jsp). Monitoring the Future data were collected through a research grant (R01 DA-01411) from the National Institute on Drug Abuse (NIDA). Dr. Palamar’s research on use of new and emerging psychoactive drugs is also now supported by NIDA (K01 DA-038800).

About CDUHR

The mission of the Center for Drug Use and HIV Research (CDUHR) is to end the HIV and HCV epidemics in drug using populations and their communities by conducting transdisciplinary research and disseminating its findings to inform programmatic, policy, and grass roots initiatives at the local, state, national and global levels. CDUHR is a Core Center of Excellence funded by the National Institute on Drug Abuse (Grant #P30 DA011041). It is the first center for the socio-behavioral study of substance use and HIV in the United States and is located at the New York University College of Nursing. For more information, visit www.cduhr.org.

About NYU Langone Medical Center
NYU Langone Medical Center, a world-class, patient-centered, integrated academic medical center, is one of the nation’s premier centers for excellence in clinical care, biomedical research, and medical education. Located in the heart of Manhattan, NYU Langone is composed of four hospitals—Tisch Hospital, its flagship acute care facility; Rusk Rehabilitation; the Hospital for Joint Diseases, the Medical Center’s dedicated inpatient orthopaedic hospital; and Hassenfeld Children’s Hospital, a comprehensive pediatric hospital supporting a full array of children’s health services across the Medical Center—plus the NYU School of Medicine, which since 1841 has trained thousands of physicians and scientists who have helped to shape the course of medical history. The Medical Center’s tri-fold mission to serve, teach, and discover is achieved 365 days a year through the seamless integration of a culture devoted to excellence in patient care, education, and research. For more information, go to www.NYULMC.org, and interact with us on Facebook, Twitter, and YouTube.


About New York University College of Nursing
NYU College of Nursing is a global leader in nursing education, research, and practice. It offers a Bachelor of Science in Nursing, a Master of Science and Post-Master’s Certificate Programs, a Doctor of Philosophy in Research Theory and Development, and a Doctor of Nursing Practice degree. For more information, visit https://nursing.nyu.edu/

This Press Release is in the following Topics:
CDUHR, Research, NYUToday-feature, College of Nursing

Type: Press Release

Press Contact: Christopher James | (212) 998-6876

nyu-study-identifies-teens-at-risk-for-synthetic-marijuana-use

Synthetic marijuana confiscated from a Chicago Northwest Side warehouse was disguised as "Scooby Snax" gum, September 2012. Image Credit: WGN-TV


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