Health effects of smoking tobacco Wikipedia The impact of e cigarette exposure on different organ systems: A review of recent evidence and future perspectives ScienceDirect Does vaping (using e cigarettes) make a difference to our health and are there harms with second hand vaping? iHealth Facts E cigarettes may be harmful to health an annotated graphic Engineering & Technology magazine E cigarettes might harm lung tissue much like regular cigarettes do whether they contain nicotine or not a new study says.