Family, peers influence teens' e-cigarette use
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Teens are more likely to use electronic cigarettes if their friends and family view them as cool or acceptable, a new study suggests.
E-cigarettes, first introduced in China in 2004, are battery-powered devices that let users inhale nicotine-infused vapors.
"There is a lot of concern by the public health community that e-cigarettes may be recruiting a whole new group of people who never smoked cigarettes," said lead author Jessica Barrington-Trimis of the University of Southern California in Los Angeles.
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Previous studies have found links between use of traditional and electronic cigarettes, Barrington-Trimis said. But the new study suggests some teens picking up e-cigarettes belong to a unique group.
Many teens in the new study who said they'd recently used e-cigarettes had never smoked traditional cigarettes, the researchers found.
"If you think of e-cigarette and cigarette use as two circles, the overlap isn’t as big as expected," Barrington-Trimis said.
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Using data collected in 2014 from 2,084 Southern California teens, the authors found that about 25 percent reported ever using e-cigarettes and about 20 percent reported ever using traditional cigarettes.
About 10 percent had used an e-cigarette within the past 30 days, compared to about 6 percent reporting recent traditional cigarette use.
Teens were more likely to use e-cigarettes or traditional cigarettes if either product was used at home, if friends used either product or if peers viewed use of either product positively, the researchers reported in Pediatrics.
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Fourteen percent of teens thought e-cigarettes are not harmful, compared to about 1 percent who thought cigarettes are not harmful.
The youngsters' understanding of possible harms from e-cigarettes or traditional cigarettes was tied to their likelihood of using either product.
Overall, the use of e-cigarettes and traditional cigarettes was linked, but about 41 percent of current e-cigarette users had never smoked traditional cigarettes.
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The teens felt their peers were more likely to accept their e-cigarette use than traditional cigarette use.
The new study can't say e-cigarette use leads to use of traditional cigarettes, but the researchers suggest the new devices may lead to the "renormalization" of tobacco products.
"Our findings really suggest there’s a lot of kids who are using these e-cigarettes," Barrington-Trimis said.
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The lack of research makes it difficult to know what to tell people about e-cigarettes, she added.
She said parents should tell their children that while research into the health effects of e-cigarettes is still in its infancy, nicotine is known to impact youngsters' developing brains.
Also, she said, little is known about the chemicals used to create the different flavors of e-cigarette vapors.
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"Parents should just be aware if their teens are hanging out with other who are using these products," Barrington-Trimis said.