Should I Be Concerned About Secondhand Vaping? Is Vape Smoke Harmful? What's The Difference Between Smoke & Vapor? Vaping Devices (Electronic Cigarettes) DrugFacts National Institute on Drug Abuse (NIDA) Health Effects Vaping Information, Solutions & Interventions Toolkit Stanford Medicine New study comes the closest yet to proving that e cigarettes aren't as dangerous as smoking There are no safe tobacco products, and yes, that includes vapes. The sleek, battery powered devices heat up liquid packed with nicotine and other harmful chemicals that turn into an aerosol you inhale