I don't know whether this will change the laws, or indeed public opinion but according to the Royal College of Physicians, e-cigarettes are much safer than cigarettes and are an aid towards stopping smoking.
http://www.bbc.co.uk/news/health-36139618
They're apparently not entirely risk free:
So there may be unknown-unknowns
Here's a fuller assessment of the risks of e-cigarettes:
https://www.gov.uk/government/uploa...mmissioned_by_Public_Health_England_FINAL.pdf
http://www.bbc.co.uk/news/health-36139618
They're apparently not entirely risk free:
And in terms of long-term health hazards, e-cigarettes are at least 95% safer than regular cigarettes - something Public Health England has also said.
But that does not mean they are entirely risk-free.
Prof Simon Capewell, of the Faculty of Public Health, said there were still many unknown factors.
So there may be unknown-unknowns
Here's a fuller assessment of the risks of e-cigarettes:
https://www.gov.uk/government/uploa...mmissioned_by_Public_Health_England_FINAL.pdf