Key Findings:  Resulting data revealed that compared to exclusive e-cigarette users, concurrent e-cigarette and cannabis users were nearly 4 x more likely to report COVID-19 symptoms .
Type of Study:  Meta-analysis
Study Sample Size:  800
Study Result:  Negative
Research Location(s):  United States
Year of Pub:  2022
Cannabinoids Studied:  Cannabinoid (unspecified)
Phytocannabinoid Source:  Unspecified
Route of Administration:  Inhalation
Citation:  Merianos AL, et al. Concurrent use of e-cigarettes and cannabis and associated COVID-19 symptoms, testing, and diagnosis among student e-cigarette users at four U.S. Universities. Addict Behav. 2022; 126:107170. doi: 10.1016/j.addbeh.2021.107170
Authors:  Merianos AL, Russell AM, Mahabee-Gittens EM, Barry AE, Yang M, Lin HC