Vaping Safety, Smoking, Dangers, Pros, Cons, Debate, E cigarettes, & Tobacco Britannica Do Nicotine Vape Pens Smell? How long does vape smoke stay in the air? Blown up in smoke: Young adults who vape at greater risk of COVID symptoms Harvard Health How Long Does Vape Smoke Stay in the Air? Expert Insights VapeDeal.com 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