Vapers were likely to become hooked on e-cigarettes, which are thought to be less harmful than tobacco but aren't without risks.
The British research, published Wednesday in the New England Journal of Medicine, could influence what doctors tell their patients and shape the debate in the USA, where the Food and Drug Administration has come under pressure to more tightly regulate the burgeoning industry amid a surge in teenage vaping.
There has been some opposition to the idea of vaping to quit smoking. Juul's rapid popularity among teens in the USA -which has sparked fears that it could lead more young people to pick up tobacco smoking and reverse the success we've seen with lowering teen smoking rates - might explain the more reluctant attitude of doctors in the U.S.to enthusiastically embrace e-cigarettes as a cessation aid. To objectively measure their progress, they also had their breathing levels of carbon monoxide (a common toxin in cigarette smoke that lingers in exhaled air) monitored. "Other strengths of the study include biochemical verification of smoking outcomes - the nicotine replacement therapy (NRT) arm had a choice of products (gum, patch, etc) and could switch between them if they wanted, the e-cig arm had a choice of e-liquids, and it was a pragmatic trial conducted in a real-world setting". After one year, 18 percent of e-cigarette users were smoke-free, versus 9.9 percent of those using the other products.
E-cigarettes are placed on a shelf for sale in a store in Prague, Czech Republic, January 31, 2019.
The study, published online Wednesday by the New England Journal of Medicine, is the first randomized trial to test the effectiveness of modern e-cigarettes vs. nicotine-replacement products, said Peter Hajek, a psychologist at Queen Mary University of London, who led the trial.
"This is now likely to change".
Gurley says he taught Michel to 'run and catch' at Georgia
It might have zero bearing on Sunday's Super Bowl , in which the Patriots are a 2 1/2-point favourite over the Rams. "I am flying him in, he's got a hotel, he's going to be set for the whole weekend".
A total of 8.6% reported e-cigarettes as their first tobacco product, while 5.0% reported using another non-cigarette product first (3.3% reported using cigarettes first).
Another concern Jordt has about e-cigarettes is that many users will simply never stop using them. Therefore, when the FDA only approves nicotine replacement therapies (gum and patches) and not products that help smokers mimic the physical habits of smoking (deep breathing, hand to mouth contact, social rituals, having to go outside and taking a break from work), women don't find as much success with these products.
Philip Morris International Inc., whose sister company Altria Inc.is seeking FDA approval to sell its "heat-not-burn" IQOS tobacco device, said a balance must be struck between seeking to prevent teens from using nicotine products and helping to move adult smokers away from cigarettes.
But in an email exchange with MedPage Today, Berry explained that numerous prior studies may have been subject to methodological limitations because they started with a sample of youth who were never cigarette users, assessed their e-cigarette use at that early time point, and then reviewed their smoking status after a year of follow-up.
Borrelli noted that after one year, 80 percent of the e-cigarette users in the study were still using the devices.
"Although a large number of smokers report that they have quit smoking successfully with the help of e-cigarettes, health professionals have been reluctant to recommend their use because of the lack of clear evidence from randomised controlled trials". Those devices have largely been overtaken in the U.S.by Juul and similar devices that have prefilled nicotine cartridges, or pods.
The results were more startling when researchers compared low-risk kids to those more likely to take up smoking. "And there is also the 'cool factor, '" he said.