Just How Harmful Is Vaping? More Evidence Is Emerging. The New York Times Don't Be Fooled, E cig Aerosol Is Not Harmless for Kids American Lung Association Say no to vaping. 10 15 vape puffs are roughly equivalent to one cigarette. We want to encourage and support families to have open and engaging conversations with young people to Secondhand Vape Exposure: Effects, Who's at Risk, and More