What Is Vaping? UC Davis study: Disposable vapes may be more toxic than cigarettes Standardizing Disposable Vapes May Reduce Teen Use RT 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 Researchers Find Toxic Metals in E Cigarette's Johns Hopkins Bloomberg School of Public Health E cigarettes and Vaping Commercial Tobacco Use MN Dept. of Health