The REAL DEAL on Vaping to Take Down Tobacco in Pima County Pima County Public Library Secondhand vape exposure: Risks and side effects How Long Does Vape Smoke Stay in the Air? Vaping is often marketed as harmless. Flavoured. Trendy. Safer than smoking. But the reality is far more serious, especially for children and teens. When kids vape, they are inhaling addictive nicotine and I think the message is simple: If you don't smoke, don't start vaping. If you're vaping, don't keep smoking." Full story New study finds exhaled e cigarette vapour particles disappear within seconds EurekAlert!