For anyone interested, this piece in the NY Times helps explain why the original study was almost worthless.
http://www.nytimes.com/2015/01/27/opinion/joe-nocera-is-vaping-worse-than-smoking.html?_r=1
Sent from my iPad using Planet of the Vapes
Anyone who believes anything the 'Mirror' writes, or come to that the Guardian too, needs their head testing...