I can do it at home, the smell won't linger': Do youths who vape know what they're inhaling? CNA Lifestyle 5 Things We Still Don't Know About Those Vaping Related Hospitalizations SELF 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 Primed for disease: Vaping negatively affects oral health