Perceptions of the Comparative Safety of Different Forms of Marijuana Use Among the Adult US Population
Thirty-three states and the District of Columbia have legalized marijuana for medical and/or recreational use.1 US adults are now less likely to perceive marijuana as risky, and more than 1 in 3 Americans believe that smoking one marijuana joint a day is much safer or somewhat safer than smoking one cigarette a day.1 These attitudes are concerning given the connection between decreased perceived risk and increased use2 and the lack of data available on the long-term health effects of marijuana use3 and the safety of its use in various forms.4 While other national surveys assess perceived risks, there is no data about perceived safety or differences in attitudes towards marijuana’s different forms. We examined the US adult population’s perceptions of the comparative safety of different forms of marijuana use.
We developed survey questions to capture perceptions of safety of marijuana’s different forms among US adults. We chose the term “safety” rather than “risk,”...
This research was supported in part by the National Heart, Lung, and Blood Institute of the National Institutes of Health under grant number R01HL130484-01A1. Dr. Keyhani’s administrative funds provided by the Veterans Health Research Institute (NCIRE) also supported this research. Dr. Ishida was supported by a career development award from the National Institute of Diabetes and Digestive and Kidney Diseases (K23DK103963).
Role of the Funder/Sponsor
The funders had no role in the analysis and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.
Dr. Keyhani had full access to all the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis. Study concept and design: Keyhani, Yoo, Dollinger, Steigerwald, and Cohen. Acquisition, analysis, or interpretation of data: Keyhani, Yoo, Dollinger, Vali, Steigerwald, Cohen, Ishida, and Vali. Drafting of the manuscript: Yoo and Dollinger. Critical revision of the manuscript for important intellectual content: Keyhani, Yoo, Dollinger, Steigerwald, Cohen, and Ishida. Statistical analysis: Vali. Obtained funding: Keyhani. Administrative, technical, or material support: Yoo, Dollinger, Steigerwald, and Vali. Supervision: Keyhani.
Compliance with Ethical Standards
Conflict of Interest
The authors declare that they do not have a conflict of interest.
- 1.Keyhani S, Steigerwald S, Ishida J, Vali M, Cerda M, Hasin D, Dollinger C, Yoo SR, Cohen BE. Risks and Benefits of Marijuana Use: A National Survey of US Adults. Ann Intern Med. 2018;169:282–290. https://doi.org/10.7326/M18-0810.
- 5.Loria K. 23 Health Benefits of Marijuana. http://www.businessinsider.com/health-benefits-of-medical-marijuana-2014-4/#it-can-be-used-to-treat-glaucoma-1. Published March 7, 2018. Accessed October 19, 2018.
- 6.Steigerwald S, Wong PO, Khorasani A, Keyhani S. The form and content of cannabis products in the United States. J Gen Intern Med. 2018;33:1426. https://doi.org/10.1007/s11606-018-4480-0.