What Is Vaping? E cigarettes and Vaping Commercial Tobacco Use MN Dept. of Health Vaping has been marketed as a healthier alternative to smoking. But, do you actually know what is in your vape? Turns out vapes contain heavy metals, cancer causing agents, and so many more E cigarette, or Vaping Product, Use Associated Lung Injury (EVALI) Fact Sheets Yale Medicine Researchers Find Toxic Metals in E Cigarette's Johns Hopkins Bloomberg School of Public Health UC Davis study: Disposable vapes may be more toxic than cigarettes