Effects Of Second Hand Vape Smoke Thirdhand Smoke Resource Center What Does Vaping Do to Your Lungs? Johns Hopkins Medicine First, Second and Thirdhand Smoke: The Differences and Dangers Tobacco Stops With Me The health risks of secondhand smoke are widely understood. But what about secondhand vaping? From flavor bans to secondhand aerosol exposure, there's a lot people don't realize about how vaping impacts health, policy, and safety. Flavor restrictions can change tobacco use patterns, influence black market