Health effects of electronic cigarettes Wikipedia Learn about the risks of e cigarette and vape pen use from the Stanford REACH Lab. This social graphic was developed by the Stanford REACH Lab, a Stanford research lab focused on promoting As e cigarette use grows, more research needed on long term effects of vaping American Heart Association ? () Although often promoted as safer than traditional cigarettes, e cigarettes still harm the body in many ways. 1. Health Risks Most vapes contain nicotine, E Cigarettes Vaping with Juul & Other Electronic Cigarettes