How secondhand smoke, thirdhand smoke & vaping affects kids ? () Although often promoted as safer than traditional cigarettes, e cigarettes still harm the body in many ways. 1. Health Risks Most vapes contain nicotine, Is 2nd Hand Vapor Or Aerosol From E cigarettes Harmful? SMOKO E Cigarettes The Issues of Testing for Secondhand Smoke. Indoor Science Can You Get Secondhand Smoke From Vapes Stay In The Air Is Secondhand Vape Smoke Harmful