Is Vaping Safe? Here are the Facts. Brown University Health 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 Is Vaping Safer for Teens Than Cigarettes? Did you know vaping and e cigarettes can lead to a condition called Popcorn Lung? Vaping may sound harmless, but it can seriously impact your breathing over time. Learn what causes it, how