China e cigarette titan behind 'Elf Bar' floods the US with illegal vapes Reuters New Survey Reveals Scale of Disposable Vape Black Market E cigarettes and Vaping Commercial Tobacco Use MN Dept. of Health E cigarette, or Vaping Product, Use Associated Lung Injury (EVALI) Fact Sheets Yale Medicine 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