How long does thirdhand smoke last? Thirdhand Smoke Resource Center Vaping: A 30 Second High Don't Forget the Bubbles Most people switch to dry herb vaping for one reason but stay for another. Here's the real lesson: Combustion = smoke, lingering odor, and byproducts you may not want Vaporization = Vaping Indoors and How it Contributes to Sick Home Syndrome Bactronix Many young people who vape did not smoke cigarettes before they started vaping. But young people who vape are more likely to start smoking cigarettes than those who never vape. For help Health Risks of Secondhand Smoke and Aerosols Factsheet US EPA