Report: Teen cigarette use down, but vaping up

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(CBS) -- A new study found that fewer American teens are smoking this year, but more are actually vaping instead, CBS News reports.

At the same time, the report showed that marijuana use has held steady and is more popular than cigarettes, and recreational use of opioid painkillers has actually dropped among adolescents.

In 2017, more than 25 percent of high school seniors said they had vaped during the last year, but most apparently did not know the product could be addicting.

Nearly 28 percent of high school seniors reported the had tried an e-cigarette or other vaping device in 2016, according to the new study. However, when asked what they'd inhaled while vaping, about 52 percent of the seniors responded "just flavoring." Only 33 percent said the vapor they inhaled contained nicotine.

"They don't even realize that what they're using is a tobacco product," Erika Sward, assistant vice president of the American Lung Association, said.

The U.S. National Institute on Drug Abuse (NIDA) Deputy Director said e-cigarettes contain fewer harmful chemicals than traditional tobacco products, but "that's a very different story when you're talking about youths who may not have used any other tobacco product."

"Kids that start with vaping do transition to smoked tobacco more often than those who've never used e-cigarettes," he said.

The FDA announced in July that it would delay its review of vaping products that have already been placed on the market for another five years.