Carcinogen and Toxicant Exposure Among Young Adults Who Co-Use E-cigarettes and Cannabis (Co-Tox Study)
Trial Parameters
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Brief Summary
This study evaluates the amount of nicotine, cannabis, and toxicants linked to the use of nicotine e-cigarette and/or cannabis products in the blood and urine of young adult users as well as the cannabis and nicotine use behaviors of consumers.
Eligibility Criteria
Inclusion Criteria: * Young adult (18-25 years old). * Ability to read and write in English. * Participants must fall into one of the following groups (based on self-report): * Predominant e-cigarette consumer: defined as using nicotine-containing e-cigarettes daily for the past six months but not having used other nicotine containing products more than weekly or cannabis products for the past month. * Predominant cannabis consumer: defined as using cannabis at least 3x/week for the past six months in any form, including smoking, vaping, and oral use, with no more than weekly use of any nicotine or tobacco products. * E-cigarette-cannabis co-consumers: defined as daily use of nicotine e-cigarettes and use of cannabis at least 3x/week, including smoking, vaping, and oral use, for at least the past six months, with no use of other nicotine containing products more than weekly. * No self-reported diagnosis of kidney disease (current, or within the past year prior to the study visit). * Pa