What science says about vaping risks The Examination Vaping Safety, Smoking, Dangers, Pros, Cons, Debate, E cigarettes, & Tobacco Britannica ? () Although often promoted as safer than traditional cigarettes, e cigarettes still harm the body in many ways. 1. Health Risks Most vapes contain nicotine, Youth vaping Vancouver Coastal Health Will vaping bans do more harm than good? Some public health experts say yes.