Youth who try e-cigarettes more likely to become daily tobacco cigarette smokers: Study

Pediatrics published a four-year study on e-cigarette usage in young adults.

E-cigarettes have long been touted by manufacturers as a safe alternative to tobacco cigarettes, but new research adds a dangerous twist, finding e-cigarette use can increase the risk of becoming a daily tobacco cigarette smoker.

In a four-year study published in the journal Pediatrics, researchers at the University of San Diego found trying an e-cigarette before age 18 more than tripled the chances of becoming a daily tobacco cigarette smoker, from 3% to 10%. The study’s authors concluded rapid growth in youth e-cigarette use will lead to increased daily cigarette smoking in U.S. young adults.

The researchers further noted “the recent large increase in [youth] e-cigarette use will likely reverse the decline in cigarette smoking among USA young adults."

Secretary Azar said the rise, as well as evidence youth were drawn to particular e-cigarette flavors, were the onus for the FDA's 2019 priority enforcement of illegal kid-friendly e-cigarette flavor marketing.

The concerning association between e-cigarettes and increased tobacco cigarette use is not limited to youths. Multiple peer-reviewed studies have shown similar findings in adults, calling into question the idea e-cigarettes are an ideal substitute for traditional smoking.

As manufacturers continue marketing e-cigarettes as a safe alternative to tobacco cigarettes, that safety remains heavily debated. This study added to the growing knowledge on e-cig safety and found a hidden danger: E-cigs may lead to cigarette addiction.

Nancy Anoruo, M.D., MPH, is a faculty physician at Harvard Medical School whose work on e-cigarettes has been published by the American Thoracic Society and American Journal of Respiratory and Critical Care Medicine. She is a member of ABC News Medical Unit.

Dr. Rose Marie Leslie contributed to this report.

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