The Daily Iowan

UI study finds more adults trying e-cigarettes

A new study by University of Iowa researchers found more adults are trying e-cigarettes, but fewer adults are continuing their long-term use.

Photo+illustration+by+Lily+Smith
Photo illustration by Lily Smith

Photo illustration by Lily Smith

Photo illustration by Lily Smith

Jonathan House, [email protected]

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A new study conducted by University of Iowa researchers has found more American adults are trying e-cigarettes.

Wei Bao, a UI assistant professor of epidemiology, analyzed survey data from the U.S. Centers for Disease Control and Prevention. His study revealed that in 2014, 12.6 percent of American adults reported they had tried e-cigarettes. That number increased to 13.9 percent in 2015 and 15.3 percent in 2016.

However, Bao’s study also found that the number of adults who use e-cigarettes “every day” or “some days” fell from 3.7 percent in 2014 to 3.5 percent in 2015 and 3.2 percent in 2016.

Garin Buttermore, a community-health consultant for the Iowa Department of Public Health, said this nationwide finding matches what his department found in the state.

“I don’t think it was terribly surprising to me that more adults are using e-cigarettes, as was reported,” he said.

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It is unclear if adults trying them were past smokers, and when they try e-cigarettes, to what extent they stop using traditional cigarettes. Some people who had previously quit smoking may try e-cigarettes and then go to traditional cigarettes, Buttermore said.

The Iowa Department of Public Health gets a lot of its information on e-cigarettes and their effects from the U.S. Food and Drug Administration and the CDC, he noted.

According to the CDC, e-cigarettes have a potential to benefit adult smokers if they are used as a substitute for traditional cigarettes.

The Iowa Department of Public Health has programs in place such as Quitline Iowa to help adults stop using tobacco products all together, including e-cigarettes, Buttermore said.

The biggest problem with e-cigarettes is that they are new and very little is known about their effect on one’s health, said Mark Vander Weg, a UI associate professor of internal medicine and psychological and brain sciences.

He said it is difficult to study the health effects of different e-cigarettes because of the hundreds of different flavors, which may contain different chemicals. The different brands of e-cigarettes may also have a different effect on the vaporized chemicals, he said.

“We really know almost nothing about the long-term health effects of it, and that’s going to take a while, of course, to figure out,” Vander Weg said. “What we do know is a little bit about the chemicals that people who use these get exposed to.”

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E-cigarettes contain nicotine, which he noted isn’t all that harmful by itself except for people with cardiovascular disease. Nicotine is, however, highly addictive. E-cigarettes also contain a substance that keeps the nicotine moist and comes in various flavors.

Finally, the study found that more nonsmokers are trying e-cigarettes. Although the study did not specify which age ranges are trying e-cigarettes, experts say there is cause for concern if nonsmokers, especially young people, try e-cigarettes.

Although the data are mixed, Vander Weg said, he believes it is sufficient to say that people who use e-cigarettes, specifically young people, are more likely to go on to use traditional cigarettes later on.

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