HELPING THE OTHERS REALIZE THE ADVANTAGES OF DRY HERB VAPORIZER BONG

Did these persons that allegedly had ruined lungs also use distinct vaping items? Did these vapes come from the street via a Buddy that claims these vapes were from dispensaries in Cali? Or ended up they actually legit cannabis vapes? Wouldn't want that professor as my Instructor with this kind of piss-poor research.This is comparable into a bong,