"We really isolated a very low-risk group of youth, and within that group experimentation with e-cigarettes had a pronounced effect on subsequent cigarette uptake", Stokes said.
In the United States and Britain, cigarette smoking is the leading preventable cause of death, taking some 480,000 lives each year in the USA and more than 100,000 in Britain. Quitting is notoriously hard, even with decades-old nicotine aids and newer prescription drugs. All of the smokers had gone to dedicated centres to help them quit.
Other experts, however, were far more critical.
"E-cigarettes may be a pathway to cigarette smoking, and a sizeable one", said senior study author Andrew Stokes of the Boston University School of Public Health. Last year, an influential panel of USA experts concluded there was only "limited evidence" of their effectiveness. "It does not support the unlimited availability of e-cigarettes".
For years, physicians have been reluctant to recommend e-cigarettes for smoking cessation because of a lack of clinical trial data, said Hajek. By the 52nd week, 18 per cent of the e-cigarette group was still off cigarettes, compared to 9.9 per cent of the standard treatment group.
A total of 886 participants underwent randomization. Both groups were also given at least a month's worth of weekly counseling sessions. Participants were responsible for buying follow-up supplies.
The problem with translating drug research to a consumer product like e-cigarettes is that the strict protocols of a drug trial (all participants use a certain drug at a certain dose and interval) may not translate to products that succeed by offering a wide range of possibilities to users.
"There is substantial evidence that they are less harmful than traditional cigarettes, but that doesn't mean they are not harmful". These effects were mostly mild.
"We need more studies about their safety profile, and I don't think anyone should be changing practice based on one study, " said Belinda Borrelli, a psychologist specializing in smoking cessation at Boston University. The American Cancer Society took a similar position past year.
Last night USA experts at Boston University reiterated their caution - and said smokers should only be given e-cigarettes if they have failed to quit using other methods. Also, doctors should have a clear timeline for stopping e-cigarette use.
One of the main reasons was the epidemic-level rise of e-cigarette use among high school students.
Those who used nicotine replacement therapies of their choice (including patches, gum, lozenges, sprays, inhalators, or a combination of products).
FILE - Talia Eisenberg, co-founder of the Henley Vaporium, uses her vaping device in New York, Feb. 20, 2014. It has not scientifically reviewed any of the e-cigarettes on the market and has put off some key regulations until 2022.
Yet, the FDA's current and continued actions against the e-cigarette industry are impeding current smokers' access to e-cigarettes. These devices now often have more nicotine and come in a more convenient form than the first-generation vaping devices.
The debate over the potential harms and benefits of vaping has raged on for years. From 2017 to 2018, it increased by 78 percent.
But Jordt noted that newer devices like the Juul pod have only recently arrived in the UK.
The results were more startling when researchers compared low-risk kids to those more likely to take up smoking.
By the one- and four-week point, people given e-cigarettes were less likely to feel a severe urge to smoke.
Ian Armitage was skeptical about e-cigarettes as a way to stop smoking, saying he tried vaping several years ago but gave it up after experiencing twitching and shakes from nicotine withdrawal. "And there is also the 'cool factor, '" he said.
During his speech, Mr Jannati rebuked the small faction of Iranian politicians desiring to seek a better relationship with the US. Tehran's policy is aimed at maintaining a certain cap on the range of the missiles based on its own defensive strategy.
The company had chalked out plans to sell assets for about Rs 25,000 crore and use it for clearing debt of around 40 lenders. It is estimated that RCom has been reeling under debt of over Rs 46,000 crore.
Advertising accounts for most of Amazon's "Other" category, which is not an official business segment. Operating income increased to $12.4 billion, compared with operating income of $4.1 billion in 2017.
We all just want to get back into a zone, get back into a comfort zone, try to hold the fort until Zo gets back as well. It's the longest absence of LeBron's 16-year career which is a testament to how well he maintains his body and health.
He was responding to a query on whether there is a new window for eBay in India after the new foreign direct investment policy. The new e-commerce norms ban companies from striking deals with sellers to sell products exclusively on their platforms.
Sharing an adorable clip of her and Travis Scott on Instagram , Jenner wished her daughter a happy birthday, saying "We Love you". Jenner rented out a beachside mansion complete with a swimming pool, outdoor shower, and access to a secluded part of the beach.
As a result, dozens of NGO employees have been laid off, programmes shut down, and infrastructure projects halted. Palestinian man Mohammad Ashour, who worked on a project funded by a USAID has been let go.
If the resolution is approved at the AGM, the company aims to introduce the changes into its reporting later this year. The resolution calls for the company to disclose "any" link between carbon targets and bonuses paid to BP's bosses.
The New England Patriots and Los Angeles Rams square off Sunday at Mercedes-Benz Stadium for football's top prize. The 41-year-old is seeking his sixth Super Bowl ring in his ninth appearance in the big game.
Gobert also will miss out on a $ 1 million bonus for not being selected to the All-Star Game, according to ESPN's Bobby Marks . He also ranks fourth in the National Basketball Association in blocks (2.17) and fifth in rebounds per game (12.8).
Granted, galaxies are anything but "small", but compared to our absolute unit of a galaxy , Bedin 1 is a featherweight. The Hubble Space Telescope is a project of global cooperation between NASA and ESA ( European Space Agency ).
Four eagles take 'lucky' Li into joint lead at Saudi event
The surprise of the day was that of world number one and the victor last week at Torrey Pines, Justin Rose , who missed the cut. He established a course record 61, 9 under, thanks to seven birdies and an eagle to jump into the halfway lead on 11 under.
Apple apologizes for FaceTime bug, assures fix by next week
Group FaceTime calling was a key feature in last fall's iOS 12 software update , which comes with the latest iPhones and iPads . His mother, Michele Thompson, tweeted about her son's discovery for days before the company and media outlets picked up on it.
Nissan to cancel UK X-Trail manufacture plans
The Nissan logo is seen at Nissan Motor's global headquarters building in Yokohama, Japan, Dec. 17, 2018. Britain's biggest vehicle maker, Jaguar Land Rover, announced plans last month to cut 4,500 jobs.
Chiefs QB Mahomes wins 2018 MVP, OPOY
For his work as defensive co-ordinator of the Chicago Bears, Vic Fangio got the head coaching gig in Denver. No one could have expected him to throw for 50 touchdowns and over 5,000 yards in his first season starting.
News station employee fired over Brady ‘cheater’ graphic
Pittsburgh has a history of calling out Tom Brady for his dominance of the Steelers en route to making countless Super Bowls . The graphic was shown on KDKA , a Pittsburgh affiliate, during the 4 p.m. newscast on January 28.
Sauber F1 team changes name to Alfa Romeo Racing
A late-season surge in results, plus changes on the technical side, has Alfa Romeo tipped as a potential midfield threat in 2019. THE SAUBER name will drop off the Formula 1 grid in 2019 after the team announced that it will rebrand as Alfa Romeo Racing.
Barca primed for gruelling 'Clasico' Cup tie
Real and Barca are also set to renew hostilities in La Liga on March 2, meaning three Clasicos in the space of less than a month. Madrid defeated Girona 4-2 at Bernabeu and 3-1 away in both legs of the quarter finals resulting to a 7-3 aggregate scoreline.
Block party: scientists celebrate robot that can play Jenga
It could be used to sort recyclables from landfill trash, or assemble consumer products such as cell phones, Rodriguez said. Jenga requires increasing levels of concentration and dexterity to remove the blocks without knocking over the whole tower.