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Home NEWS Science News Health

Marijuana may lead non-smokers to cigarettes

Bioengineer by Bioengineer
March 27, 2018
in Health
Reading Time: 3 mins read
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March 27, 2018 — While cigarette smoking has long been on the decline, marijuana use is on the rise and, disproportionately, marijuana users also smoke cigarettes. A new study by researchers at Columbia University's Mailman School of Public Health and the City University of New York reports that cannabis use was associated with an increased initiation of cigarette smoking among non-cigarette smokers. They also found adults who smoke cigarettes and use cannabis are less likely to quit smoking cigarettes than those who do not use cannabis. Former smokers who use cannabis are also more likely to relapse to cigarette smoking. Results are published online in the Journal of Clinical Psychiatry.

Until now, little was known about the association between cannabis use and smoking cessation or relapse over time in the general adult population.

The analyses were based on data from the National Epidemiologic Survey on Alcohol and Related Conditions in 2001-2002 and 2004-2005, and responses from 34,639 individuals to questions about cannabis use and smoking status.

"Developing a better understanding of the relationship between marijuana use and cigarette use transitions is critical and timely as cigarette smoking remains the leading preventable cause of premature death and disease, and use of cannabis is on the rise in the U.S.," said Renee Goodwin, PhD, in the Department of Epidemiology at the Mailman School of Public Health, and senior author.

The study suggests that marijuana use–even in the absence of cannabis use disorder (characterized by problematic use of cannabis due to impairment in functioning or difficulty quitting or cutting down on use)–is associated with increased odds of smoking onset, relapse, and persistence. As cannabis use is much more common than cannabis use disorder, its potential impact on cigarette use in the general community may be greater than estimates based on studies of cannabis use disorder alone, according to the researchers.

An earlier study by Goodwin and colleagues showed that the use of cannabis by cigarette smokers had increased dramatically over the past two decades to the point where smokers are more than 5 times as likely as nonsmokers to use marijuana daily.

Goodwin advises that additional attention to cannabis use in tobacco control efforts and in clinical settings aimed at reducing cigarette smoking and smoking related negative consequences may be warranted. She also points out that understanding the potential links between cannabis use and cigarette initiation in youth is needed given that recent data suggest cannabis use is more common among adolescents than cigarette use.

###

Co-authors include Andrea H. Weinberger, Albert Einstein College of Medicine; Jonathan Platt, Mailman School of Public Health; and Jan Copeland, National Drug and Alcohol Research Centre, University of New South Wales Medicine, Sydney, Australia.

The study was supported by National Institutes of Health/National Institute on Drug Abuse, (grant DA20892). The authors reported no financial conflicts.

Columbia University's Mailman School of Public Health

Founded in 1922, Columbia University's Mailman School of Public Health pursues an agenda of research, education, and service to address the critical and complex public health issues affecting New Yorkers, the nation and the world. The Mailman School is the third largest recipient of NIH grants among schools of public health. Its over 450 multi-disciplinary faculty members work in more than 100 countries around the world, addressing such issues as preventing infectious and chronic diseases, environmental health, maternal and child health, health policy, climate change & health, and public health preparedness. It is a leader in public health education with over 1,300 graduate students from more than 40 nations pursuing a variety of master's and doctoral degree programs.

The Mailman School is also home to numerous world-renowned research centers including ICAP and the Center for Infection and Immunity.

For more information, please visit http://www.mailman.columbia.edu.

Media Contact

Stephanie Berger
[email protected]
212-305-4372
@ColumbiaMSPH

http://www.mailman.hs.columbia.edu

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