Can You Get Second Hand Smoke From Weed Vape E cigarettes and Vaping Commercial Tobacco Use Effect of second hand fumes from vaping on young lungs When someone vapes around others they expose them to 'second hand aerosol'. But what happens to that aerosol then? Does it disappear or is it like cigarette smoke and stays around, sticking to Can You Fail a Drug Test From Secondhand Smoke? Test Smartly Labs According to the American Heart Association, the risks of secondhand smoke from vapes are still being discovered. Learn about the dangers of secondhand smoke from vapes. Sitting somewhere when a cloud of cotton candy vapor washes over you? If you can smell the sweet scent of a vape, that's not a great sign.