Knowledge, perceptions, and experiences of e cigarettes among young adults in Cape Town, South Africa: Insights from focus groups to inform regulations and prevention strategies A Review of Toxicity Mechanism Studies of Electronic Cigarettes on Respiratory System Frontiers Aerosolized nicotine from e cigarettes alters gene expression, increases lung protein permeability, and impairs viral clearance in murine influenza infection New study comes the closest yet to proving that e cigarettes aren't as dangerous as smoking PDF) The New Danger of Thirdhand Smoke: Why Passive Smoking Does Not Stop at Secondhand Smoke Each year, #tobacco kills 1.1 million people in the WHO European Region. Of those, 153 000 are caused by exposure to second hand smoke. Tobacco is responsible for 25% of all cancer deaths