Nine out of ten banknotes circulating in cities in the U.S. and Canada are tainted with cocaine, according to a news report published by National Geographic News.
“What’s more, researchers were surprised to find hints that more Americans are using the illegal drug,” writes our staff editor, Christine Dell’Amore.
University of Massachusetts in Dartmouth researchers collected banknotes in Brazil, Canada, the U.S., China, and Japan. A higher percentage of notes circulating in the U.S. and Canada were found to be tainted with cocaine than in the other countries sampled.
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