查看文章

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 cannabis use that is becoming increasingly popular. We used 2017–2019 Behavioral Risk Factor Surveillance System data to estimate yearly prevalence and trends of past-30-day cannabis use and vaping among US adults. We used multivariable logistic regression to evaluate the associations of cannabis vaping with high-risk behaviors, asthma, and other respiratory symptoms.

Our sample size was 160,209 (53,945–2017; 55,475–2018; and 50,789–2019). Past-30-day cannabis use prevalence increased from 10.0% (95% CI, 9.4%–10.7%) in 2017 to 13.4% (12.8%–12.0%) in 2019. Similarly, past-30-day cannabis vaping prevalence increased from 1.0% (0.8%–1.2%) to 2.0% (1.7%–2.2%) over the same period, with the greatest increase …