Vaping Student Health & Well Being Psychiatry.org Vaping is Unhealthy. Tips and Resources to Help Quit. Many vapes contain not only cancer causing chemicals and heavy metals, but also huge amounts of nicotine, making it easier than ever for younger people to get addicted. Protect your lung health and The FDA's Juul Ban May Not be a Pure Public Health Triumph Can Vaping Cause Lung Cancer? Here's What We Know.