Again, @sdovcc mentions "mustard gas" in vapor. What are you talking about? Also, using this picture of a healthy lung vs "vaping" lung & saying some patients died is DISINGENUOUS and you E Cigarettes, Vaping & Lung Health Pulmonary & Respiratory Care Loma Linda University Health E cigarette user found to have rare form of lung scarring typically found in metal workers ERS European Respiratory Society CT Findings and Patterns of e Cigarette or Vaping Product Use Associated Lung Injury CHEST