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 Second Hand Vaping Side Effects News Is Second Hand Vape Smoke Harmful Australia Side Effects Of Second Hand Vaping Don't Be Fooled, E cig Aerosol Is Not Harmless for Kids American Lung Association Breathing in someone else's smoke or vape isn't harmless. Secondhand smoke exposure can affect your lungs, brain, and overall health. Protect your families and yourself. Inhalar el humo o el vapor de Secondhand Smoke and Secondhand Vaping: Both Bad for Kids University Hospitals According to the American Heart Association, the risks of secondhand smoke from vapes are still being discovered. Learn about the dangers of secondhand smoke from vapes.