Vaping isn't harmless. While e cigarettes don't contain tobacco, nicotine is highly addictive and can harm brain development. E cigarettes can cause EVALIa serious lung injury linked to vaping. Symptoms like cough, chest Secondhand Smoke and Secondhand Vaping: Both Bad for Kids University Hospitals The FDA's Juul Ban May Not be a Pure Public Health Triumph Is Second Hand Vape Smoke Harmful To Children Health Risks of Secondhand Smoke and Aerosols Factsheet Second Hand Vaping Vape Smoke Free Secondhand vape plumes could form lung damaging radicals American Chemical Society