Vaping: What You Should Know Just Think Twice 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 What's really inside vapes? We pulled them apart to find out The Ultimate Guide to Vaping for Beginners: How to Get Started Vaping 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, 22 people have been hospitalized with vaping linked breathing problems. Doctors don't know why.