premier supermatic excel cigarette rolling machine Injector Supermatic I / Each Premier Excel Injector Excel /

The carbon monoxide levels in your blood drop back to normal, allowing oxygen to flow more easily

Single devices are priced comparably to a month's worth of vaping supplies, with discounts available for bundles

Available from: Pistochini T, McMurry R

Between 1968 and 1980, the US National Cancer Institute invested more than $US50m into research on less hazardous cigarettes

Mr McGrady told the BBC News website: "We think the evidence is now so strong that it's likely we're witnessing the globalisation of plain packaging - particularly after countries as influential as the UK, France and Australia have implemented the measure

So just how dangerous is it