22 people have been hospitalized with vaping linked breathing problems. Doctors don't know why. Queensland Health We said what we said. Vapes are filled with heaps of nasty chemicals that can be harmful to your short and long term health. They can Instagram 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, Vaping: What You Should Know Just Think Twice