Background Cannabis use is common, especially among young people, and is associated
with risks for various health harms. Some jurisdictions have recently moved to …

Introduction The prevalence of electronic cigarette (EC) use has risen dramatically among
adolescents and young adults (AYA, ages 12–26) over the past decade. Despite extensive …

Cannabis legalization for non-medical purposes (subsequently referred to as “cannabis
legalization” or “legalization”) took place in Canada in October 2018. One of the federal …

The e-cigarette or vaping product-use-associated lung injury outbreak in the United States
has raised concerns about the potential health effects of cannabis vaping, a method of …

Significance Adolescent vaping behavior includes vaping of multiple substances, including
both nicotine and cannabis (dual-vaping). This study describes the prevalence and the …

The lungs, in addition to participating in gas exchange, represent the first line of defense
against inhaled pathogens and respiratory toxicants. Cells lining the airways and alveoli …

Importance e-Cigarette use and vaping marijuana (cannabis) are popular among US
adolescents. Cannabidiol (CBD) is a compound found in the cannabis plant that has …

Background Co-use of tobacco and cannabis is common. However, few studies have
examined the temporal sequencing through which individuals initiate co-use, and how these …

Background Electronic nicotine delivery systems (ENDS) are the most used tobacco product
among adolescents and young adults (AYAs) and are increasingly used to vape cannabis. It …

Purpose Cannabis use is increasing among emerging adults (ages 18–25), necessitating
the need for prevention interventions. Using a novel platform–social media–we developed …