The risks of vape pens' secondhand aerosols 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 Can you get second hand smoke from a vape Vaping Indoors and How it Contributes to Sick Home Syndrome Bactronix Study shows second hand vaping exposure very low compared to second hand smoking