Vaping or Smoking Which is More Dangerous for your Lungs? CritiCare Hospital E Cigarettes It Doesn't Matter What You Call Them Nothing good comes from smoking , and vaping isn't a safe alternative. E cigarettes often contain nicotine and other harmful substances, and studies show that young people who vape are more likely to A decade ago, the most frequent opinion among smokers was that vaping was less harmful than tobacco. But ten years on, the opposite is true: over a third say that vapes are