behindbenefitschallengesclinicalcocainedeathdeltadrugdrugsearlyexplainedharoldketaminemethamphetaminemodernmortemnextnitazenenitazenespoisoningpoisoningspoisonspostpotentialriseriskrisksshipmansynthetictestingthctoxictoxicitytoxicologytrendstruthunpackingxylazineyear