Ontario teen's vaping injury consistent with 'popcorn lung,' study suggests CBC News 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 Vaping Lung Injuries: Warning Signs & Emergency Care Disposable E Cigarettes More Toxic Than Traditional Cigarettes UC Davis