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Vapes more effective to quit smoking than gum or patch, review finds

Kate Kelland

Reuters

London, United Kingdom  /  Thu, October 15, 2020  /  03:03 pm
Vapes more effective to quit smoking than gum or patch, review finds

Vapes containing nicotine are more effective in helping people quit smoking than patches or gum, and safer than cigarettes, although more evidence is needed on their potential long-term impacts. (Shutterstock/ Dmytro Tyshchenko)

Vapes containing nicotine are more effective in helping people quit smoking than patches or gum, and safer than cigarettes, although more evidence is needed on their potential long-term impacts, a new review of evidence found on Wednesday.

The findings, from a review which included evidence from 50 studies around the world, suggests vaping could boost the number of people who stop smoking.

"There is now evidence that electronic cigarettes with nicotine are likely to increase the chances of quitting successfully compared to nicotine gum or patches," said Jamie Hartmann-Boyce, an expert at the Cochrane Tobacco Addiction Group who co-led the review.

The review was conducted by Cochrane, an organization that pools the best scientific research to help assess the relative effectiveness of health interventions.

E-cigarettes have been around for about a decade, and increased in popularity significantly in recent years. Unlike gum and patches, they mimic cigarette smoking because they are hand-held and generate a vapor.

The World Health Organization says tobacco kills up to half of all its users, clocking up a death toll of more than 8 million people a year.

A 2016 Cochrane Review also found e-cigarettes were more likely to help smokers quit than nicotine patches or gum, but the available body of evidence at that time was slimmer.

Read also: Vaping could compound health risks tied to virus, FDA says

A spate of vaping-related lung injuries and deaths in the United States last year threw a spotlight on vaping and e-cigarettes, and prompted bans on some types of the products.

But the outbreak was not linked to vapes that contain nicotine, and appeared to be waning late last year as evidence grew that vitamin E acetate, a cutting agent used in marijuana vapes, could be behind the cases.

The Cochrane team said they found no clear evidence in this review of serious harms from nicotine-containing e-cigarettes, though they noted that the evidence is uncertain due to the still relatively small number of studies.

"Scientific consensus holds that electronic cigarettes are considerably less harmful than traditional cigarettes, but are not risk-free," Hartmann-Boyce said.

John Britton, a respiratory medicine professor at Nottingham University, said the review was "comprehensive" and gave "definitive confirmation that electronic cigarettes offer smokers an effective means of quitting".

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