As The Wall Street Journal reports, marijuana contaminated with arsenic, lead or mold is causing serious, even life-threatening illnesses around the country as use of cannabis products explodes.
"People who have used marijuana have higher levels of heavy metals in their blood and are more likely to develop fungal infections, according to studies. Researchers have linked contaminants found in marijuana to cases of sudden-onset numbness, fatal lung bleeding and artery disease that resulted in amputations."
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