Teens and young adults who vape are 3.5 times more likely to use marijuana, study finds

Teens and young adults who vape are 3.5 times more likely to use marijuana, study finds

Researchers also find that the younger people are when they start to smoke e-cigarettes, the more likely they are to try pot

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People who smoke electronic cigarettes are more likely to be marijuana smokers as well.
Photo: Winson Wong/SCMP

Adolescents and young adults who vape electronic cigarettes are far more likely to also use marijuana, according to research released this week.

The study, published online this week in JAMA paediatrics, said the odds of marijuana use among young people who used e-cigarettes was 3.5 times greater than among those who said they had not used e-cigarettes.

The research examined marijuana use among 10 to 24-year-old subjects through a compilation of 21 studies from the United States, Canada, Europe, Australia, and New Zealand.

E-cigarettes ban may not change HK teens’ vaping habits, says local youth support group

The authors, who include researchers from Boston Children’s Hospital and Harvard Medical School, say policymakers should pay attention to this connection.

“These findings should be taken into account in the design of public policies aiming to restrict access to to minors,” the authors wrote.

Many teens have begun vaping, falsely believing it to be a safer alternative to regular cigarettes.
Photo: Shutterstock

The authors’ review of existing research also seemed to support the theory that nicotine impacts the developing brain, influencing how people respond to addictive substances. In fact, younger adolescents who vape were much more likely to use marijuana than even their somewhat older e-cigarette-using peers.

The odds of youngsters ages 12 to 17 years-old using marijuana if they vaped were more than four times higher than they were in peers who did not vape. In young adult vapers ages 18 to 24, the odds of their smoking marijuana were more than two times higher than among peers who did not use e-cigarettes.

Talking Points: should smokers who become parents be forced to quit smoking?

While e-cigarettes were originally marketed as an aid to help adults quit smoking traditional cigarettes or switch to a purportedly less hazardous nicotine delivery option, the JAMA paediatrics article authors found a different outcome among young users.

When e-cigarettes are used by adolescents, the authors wrote, vaping is “associated with a significant increase in the odds of using cigarettes and other forms of tobacco.”

The researchers also noted that some e-cigarette liquids have been found to contain toxins. In addition, they wrote, “nicotine use, especially during adolescence, should be discouraged because of risks of several negative long-term outcomes, including a chronic decrease in attention and memorisation capacity.”

This article appeared in the Young Post print edition as
Teen and young adult e-smokers much more likely to use marijuana, study finds

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