Scripps Health E cigarettes remain the most commonly used tobacco product among middle and high school students in the United States, according to the Instagram Is Secondhand Vaping Something to be Concerned About? ? () Although often promoted as safer than traditional cigarettes, e cigarettes still harm the body in many ways. 1. Health Risks Most vapes contain nicotine, Vaping: Understanding the Risks and Impacts on Health While vaping is not risk free, it is less harmful than tobacco Our World in Data