News Release

Perceptions of safety of daily cannabis vs tobacco smoking and secondhand smoke exposure

JAMA Network Open

Peer-Reviewed Publication

JAMA Network

About The Study: This survey study of 5,035 adults found that adults increasingly perceived daily smoking and secondhand exposure to cannabis smoke as safer than tobacco smoke from 2017 to 2021. Given that these views do not reflect the existing science on cannabis and tobacco smoke, the findings may have important implications for public health and policy as the legalization and use of cannabis increase. 

Authors: Beth Cohen, M.D., M.A.S., of the University of California, San Francisco, is the corresponding author. 

To access the embargoed study: Visit our For The Media website at this link 


Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.

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About JAMA Network Open: JAMA Network Open is an online-only open access general medical journal from the JAMA Network. On weekdays, the journal publishes peer-reviewed clinical research and commentary in more than 40 medical and health subject areas. Every article is free online from the day of publication.


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