E cigarette, or Vaping Product, Use Associated Lung Injury (EVALI) Fact Sheets Yale Medicine Disposable E Cigarettes More Toxic Than Traditional Cigarettes UC Davis Disposable vapes are creating piles of electronic waste What's in vapes? Toxins, heavy metals, maybe radioactive polonium Disposable Vapes and Heavy Metal Headaches Grow Strong KC Disposable vapes ban 'could lead to relapse in people trying to quit smoking' Vaping The Guardian