Which Smoking Habit Puts You Most at Risk? Many people believe that vaping is less harmful than smoking, but that's a common misconception. In fact, in addition to nicotine, vapes can contain toxic chemicals that could be linked to cancer, It's time to clear the air about vaping. It's not just water vapor and it's definitely not safer than smoking. Swipe to get the facts, not just the hype. Ask Us Anything About Smoking and Vaping Penn State Health News