Increase in prevalence mainly due to increase among never smokers, who accounted for 53 percent of younger adult e-cigarette users in 2021
Reduced levels of teen cannabis use and nicotine vaping seen during pandemic continued, while alcohol use returned to prepandemic level
However, early electronic cigarette quitters plus stable cigarette use was the most common trajectory in 41.6 percent of participants
Findings seen in high school and middle school students; most commonly used tobacco product was electronic cigarettes
Increases seen in median days per month of e-cigarette use and number of e-cigarette users within five minutes of waking
Authors say these changes coincide with restrictions on the sale of sweet and fruit-flavored e-cigarette products
Meanwhile, FDA is still deciding whether it will allow Juul to sell its products in this country
Findings observed at the individual level, but less so at the population level, the authors say
To remain on the market, e-cigarette manufacturers must prove there is a public health benefit with their use
Agency has already banned the sale of fruit-flavored e-cigarettes after critics claimed the products targeted teens