Nearly one in 11 US tweens and teens vape cannabis

Maricruz Casares
Setiembre 19, 2018

Almost 9 percent of students surveyed in 2016 said they used an e-cigarette device with marijuana, according to Monday's report in the journal JAMA Pediatrics.

A school-based survey shows almost 1 in 11 US students have used marijuana in electronic cigarettes, heightening concern about the new popularity of vaping among teens.

Almost 9 percent of students surveyed in 2016 said they used an e-cigarette device with marijuana.

Overall, nearly 9 percent of students had vaped marijuana, including 4.5 percent of students in middle school and 12.4 percent of students in high school. That included one-third of those who ever used e-cigarettes.

The number is worrying "because cannabis use among youth can adversely affect learning and memory and may impair later academic achievement and education", said lead researcher Katrina Trivers of the Centers for Disease Control and Prevention.

Big tobacco companies, including Altria Group Inc, Lorillard Tobacco Co and Reynolds American Inc, are all developing e-cigarettes.

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Vaping works by heating a chamber, containing either nicotine or cannabis oil, until the liquid vapourises.

Earlier this month, the U.S. Food and Drug Administration proposed a crackdown on sales of flavored e-cigarettes to combat what regulators described as an epidemic of teen vaping.

The researchers acknowledge in JAMA Pediatrics that the study wasn't a controlled experiment created to prove whether or how vaping on its own or using cannabis in e-cigarettes might directly cause health problems.

Vaping has also been linked to breathing problems as well as heart and blood vessel damage.

Students who said they lived with a tobacco user were more likely than others to report vaping marijuana.

It's unclear whether marijuana vaping is increasing among teens or holding steady.

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