The science behind vaping

This special issue examines the science behind electronic nicotine delivery systems (ENDS), also called electronic cigarettes, e-cigarettes, vapour products or vapes. These products have emerged in the last 10–15 years as a potentially less risky alternative to cigarette smoking for those smokers who are struggling to quit smoking. Even though the serious health risks of smoking cigarettes are well understood, smoking remains common around the world. It is well accepted that the health risks from smoking are caused by inhaling toxicants created when tobacco is burned, and, although nicotine is addictive, it does not cause disease. The best way to avoid the health risks of smoking is to never start or to quit.