Effect of second hand fumes from vaping on young lungs Which Smoking Habit Puts You Most at Risk? 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 More bad news about vaping: Teens increasingly are breathing in secondhand e cigarette vapors, report says Chicago Tribune 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