Just How Harmful Is Vaping? More Evidence Is Emerging. The New York Times Asthma and Allergy Foundation Tobacco can be bad for your health even if you are not the one smoking. Breathing in the smoke can lead to many health problems. Vaping is Tobacco Smoke, Vaping, and Asthma AAFA.org Is Second Hand Vape Smoke Harmful The Scary Truth About Teen Vaping Is Vape Smoke Bad For Second Hand Secondhand smoke from vaping could be harmful to children: Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center