Passive vaping time we see it like secondhand smoke and stand up for the right to clean air Second hand vape smoke linked to more asthma symptoms in kids Secondhand e cigarette vape smoke exposure increased in last 4 years, contain harmful toxins: JAMA Network study ABC7 Chicago 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.