Vaping Can Cause Health Problems. Don't Vape! Set of Three Anti Vaping ToucanEd E cigarette users could be at risk from dangerous 'popcorn lung' disease, Harvard research finds The Independent The Independent Study: E Cigs Linked to Dangerous Lung Disease Salud America Popcorn Lung: The Deadly Secret in Your Vape! Did you know that the sweet, tempting flavor in your e liquid could be hiding a chemical called Diacetyl? This chemical, which tastes