"People trying to give up smoking often use e-cigarettes to help wean themselves off tobacco. Most experts think they are safer than cigarettes but a surprising paper was published recently - it suggests that people who use e-cigarettes are less successful at giving up smoking than those who don't."
and
"But while the conclusion is surprising, so is the number of academics who have criticised the paper."
More at: http://www.bbc.co.uk/news/magazine-35506414
and
"But while the conclusion is surprising, so is the number of academics who have criticised the paper."
More at: http://www.bbc.co.uk/news/magazine-35506414