uneducated drivel. Propylene glycol is in food. Its also in injectable diazepam. Its also found in hair spray, toothpaste, deodorant, shampoo. And it is used in stage smoke making devices, fog machines as well as smoke creators used to train fire fighters.
I think their argument is based around direct inhalation of PG. But even then, I've seen nothing but positive results in studies done regarding PG.
HeatherC said:My son can neither smell nor taste what my husband and I are vaping
My girlfriend despises cigarettes. She can smell them for 50 feet away, but I can vape right next to her, letting the vapor cloud roll right over her head, and it doesn't bother her a single bit.