There is strong evidence that ecigs help smokers quit. According to the latest Cochrane review, nicotine replacement therapy is more effective than nicotine medicines.
In the UK, where billions are being spent on e-cigarette research and harm reduction, bans and tighter restrictions are the wrong way to go, experts say.
Higher nicotine levels, better information for smokers on the risks of e-cigarettes and higher age limits. These are the proposals of a broad political committee in the UK.
The Royal College of Physicians is calling on politicians and authorities to actively encourage smokers to switch to e-cigarettes through government campaigns.