Lead in Pot
… we detected a common pattern: the patients were young, were unemployed or were students, had a history of smoking, and had body piercings. On questioning, all the patients eventually conceded that they were regular users of marijuana smoked in “joint” form or with the use of a water pipe.
Yes, it turns out that the people suffering from lead poisoning had smoked marijuana that had been laced with lead to increase its weight, presumably in order to increase the drug dealers’ profits.