The vaping industry is filled with unknowns. Those unknowns are leading to more questions as the number of users dealing with injuries, or in some cases, death, continues to rise. Portland State University Chemistry Professor Rob Strongin led a research team to study what happens when additives are put into vaping products. Specifically, they studied the chemical reaction that takes place when cannabis is consumed using a vape pen or dab rig. [...] "What's inhaled is actually different than what's listed in the ingredients," Strongin said.