Notice of Retraction and Replacement

To the Editor On behalf of our coauthors, we write to respond to concerns raised about the methods and analyses for the Research Letter, “Association of Marijuana Legalization With Marijuana Use Among US High School Students, 1993-2019,” published in JAMA Network Open on September 7, 2021.1 These concerns were brought to our attention by readers and subsequently published as Comments with the article.2,3 In this study, we used data from the Youth Risk Behavior Survey (YRBS) for the period 1993 to 2019 to provide updated estimates of the association of legalization of recreational marijuana and legalization of medical marijuana with adolescent marijuana use.

To read the full notice of retraction in JAMA Network Open here: https://jamanetwork.com/journals/jamanetworkopen/fullarticle/2789709

For more information on the International Academy on the Science and Impact of Cannabis, and to join, please visit www.IASIC1.org.

Visit the IASIC Library here (https://iasic1.org/library/). The IASIC Library is intended as a user-friendly reference of the published medical literature.

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