Vaping is 95% Less Harmful than smoking 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 Vapes '95% safer' than cigarettes messaging backfired Is Vaping Better Than Smoking? Is vaping more harmful than smoking cigarettes? More people incorrectly think so: Newsroom UT Southwestern, Dallas, Texas