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, The Pen 15 Challenge: 15 Vapes In 15 Hours Nicotine in the Booming eCigarette and Vaping Industry Law sees 'vaping' same as smoking Vaping and smoking together increases lung cancer risk fourfold Vaping harms your health Cancer Institute NSW