What Does Vaping Do to Your Lungs? Johns Hopkins Medicine First, Second and Thirdhand Smoke: The Differences and Dangers Tobacco Stops With Me Can I be Affected by Secondhand Vape Smoke? Secondhand smoke from vaping could be harmful to children: study ABC13 Houston Vaping not only affects your own health, it can also harm your loved ones and those around you. Passive (or second hand) vaping can happen when you're vaping in the same room, Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN