Is Vaping Better Than Smoking? American Heart Association Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN It's Not Just Cigarettes: Vape Residue Sticks on Surfaces Too Thirdhand Smoke Resource Center Secondhand smoke and secondhand aerosol First, Second and Thirdhand Smoke: The Differences and Dangers Tobacco Stops With Me