not to defend 'bath salts', but the florida face-eater's toxicology test results showed that the only thing in that backward-ass-fuck's system was marijuana.....

so, be warned:
it's your pothead roommate that might strip naked and slurp/chew your eyeballs out while you're trying to suss out the difference between epistemology & ontology, not your sketchy neighbor who snorts bath salts.