Just How Harmful Is Vaping? More Evidence Is Emerging. The New York Times Vapes might be less harmful than traditional cigarettes and might help smokers quit smoking, but they are not safe, especially for individuals younger than 25 years old. Plus, much is still unknown While vaping is not risk free, it is less harmful than tobacco Our World in Data Vaping: Better or Worse Than Cigarettes? The Harborlight How safe is vaping? UCLA