New study reveals hidden toxins in young vapers and cannabis users

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

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 * Predominant cigarette consumers: defined as using cigarettes at least daily for the past six months, but not have used other nicotine-containing products more than weekly or cannabis products for the past month * Predominant cigarette-cannabis co-consumers: defined as those reporting daily cigarette use and use of cannabis at least 3x/week (including smoking or vaping) for at least the past six months, with no more than weekly use of other nicotine-containing products * No self-reported diagnosis of kidney disease (current, or within the past year prior to the study visit). * Participants must understand the voluntary nature of this study and sign a written informed consent form before proceeding with study activities. Exclusion Criteria: * Individuals under the age of 18 or over the age of 25. * Currently pregnant or breastfeeding (female participants). * Unwilling or unable to follow protocol requirements