Knowledge Shot: Vaping versus smoking: what are the risks: Video, Causes, & Meaning Osmosis Do you know what's in a vape? Is Vape Smoke Harmful? What's The Difference Between Smoke & Vapor? Vapes might be less harmful than traditional cigarettes and might help smokers quit smoking, but that doesn't make them safe especially if you are under 25 years old. Read more here Many young people who vape did not smoke cigarettes before they started vaping. But young people who vape are more likely to start smoking cigarettes than those who never vape. For help