Early research says secondhand smoke from vaping may not be as bad as cigarettes, but it's still not harmless. https: fox59.com news national world does vaping cause secondhand smoke doctors explain the side effects Sometimes when people vape for the first time they can feel quite unwell and, in some cases, they can actually be sick. This is due to the nicotine they're ingesting and is Is Vaping Classed as Smoking? EDGE Vaping If You Vape (Illicit Street Drugs), It May Kill You (Duh) Competitive Enterprise Institute Health Risks of Secondhand Smoke and Aerosols Factsheet US EPA Smoking vs. Vaping Club Vapor eCigs