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 Vaping could harm your lungs, even within days or weeks of doing it. Don't let vaping harm your health. Vaping: What You Should Know Just Think Twice Is Vaping Safe? Here are the Facts. Brown University Health Is Vaping Any Healthier Than Smoking?