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, The 101 on e Cigarettes Infographic American Heart Association , ! : Vaping can cause serious lung damage and respiratory problems. 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 How Does Vaping Affect You? Short & Long Term Effects Explained