The e-cigarette vapour boosts the production of inflammatory chemicals and disables key protective cells in the lung that keep the air spaces clear of potentially harmful particles revealed the study published online in the journal Thorax. Vaporisers are different from traditional e-cigarettes in terms of the range of flavours mixing better user control and large battery use. According to Professor David Thickett from Britain's University of Birmingham many e-cigarette companies have been bought up by the tobacco giants and there's certainly an agenda to portray e-cigarettes as safe. While e-cigarettes are safer than traditional cigarettes they may still be harmful