What The Study Did: This study (called a systematic review and meta-analysis) combined the results of 21 studies with about 128,000 participants to quantify the association between electronic cigarette use and marijuana use among adolescents and young adults.
Author: Nicholas Chadi, M.D., M.P.H., of Boston Children's Hospital and Harvard Medical School in Boston, is the corresponding author.
(doi:10.1001/jamapediatrics.2019.2574)
Editor's Note: Please see the article for additional information, including other authors, author contributions and affiliations, financial disclosures, funding and support, etc.
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Media advisory: The full study is linked to this news release.
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JAMA Pediatrics