90 per cent of banknotes in the United States found traces of cocaine

Scientists from the University of Massachusetts conducted a study during which examined the presence of drug particles on the U.S. dollar in such countries as: USA, Canada, Brazil, Japan and China. It was found that only 90 percent of U.S. bank notes, used by residents of States, are traces of kokaina.Takzhe found that most money with traces of cocaine are taken in Washington. Approximately the same data reported in all major cities SShA.Lyubopytno that the purest notes from China and Japan.