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Sober? That doesn’t necessarily mean that you’ll pass a drug test, a new study finds. That’s because one in every eight people are walking around with traces of cocaine on their hands — and there’s a good chance they have no idea where it came from.
Researchers at the University of Surrey in the UK recently tested the fingerprints of 65 volunteers, 50 of whom reported not using drugs, to determine whether regular citizens could mistakenly test positive. Perhaps so: 13 percent of participants who self-reported being clean had traces of cocaine on their fingertips, while another one percent had minute levels — about one metabolite — of heroin, the researchers found.https://www.studyfinds.org/one-eight-people-cocaine-hands-even-drug-free/